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**Submitted:** 1 year ago.**Category: **Homework

Customer Question

I need help with these...

I need help with these questions:

JA: The Tutor can help you get an A on your homework or ace your next test. Tell me more about what you need help with so we can help you best.

Customer: A formal statement that there is an absence of relationship between variables when tested by a researcher is called:

Null hypothesis

Type I error

Type II error

Negative interval

1 points Saved

QUESTION 2Bivariate statistics refers to the statistical analysis of the relationship between two variables.

True

False

1 points Save Answer

QUESTION 3Positive relationships between two variables indicate that, as the score of one increases, the score of the other increases.

True

False

1 points Save Answer

QUESTION 4A result that is probably not attributable to chance is:

Type I error

Type II error

Statistical significance

In the semi-quartile range

1 points Save Answer

QUESTION 5A score that is likely to fall into the middle 68% of scores of a normal distribution will fall inside these values:

. +/- 3 standard deviations

+/- 2 standard deviations

+/- 1 standard deviation

semi-quartile range

1 points Save Answer

QUESTION 6It is important to assess the magnitude or strength of a relationship because this assists you with deciding whether or not a variable A causes variable B.

True

False

1 points Save Answer

QUESTION 7In a negative relationship, as the score of one variable decreases, the score on the second variable decreases.

True

False

1 points Save Answer

QUESTION 8A set of subjects, usually randomly sampled, selected to participate in a research study is called:

Population

Sample

Mode Group

Partial Selection

1 points Save Answer

QUESTION 9A perfect negative relationship between two variables is expressed as r=0.

True

False

1 points Save Answer

QUESTION 10When examining the relationship between a nominal variable and an interval or ratio variable, you would create a table using the nominal variables, calculate the mode and median of the interval or ratio variable, then make a decision regarding the relationship using the mode and median.

True

False

1 points Save Answer

QUESTION 11A Z score of +/-1.96 is equivalent to these values on a normal distribution.

Critical region

+/-1 standard deviation

+/-2 standard deviations

+/-3 standard deviations

1 points Save Answer

QUESTION 12An assumption used by statisticians which states that population parameters are normally distributed:

Central Limit Theorem

Null Hypothesis

Statistical significance

Standard deviation

1 points Save Answer

QUESTION 13When examining the relationship between two interval or ration level variables, you can use a scatterplot to allow you to visualize the relationship between the two.

True

False

1 points Save Answer

QUESTION 14Correlation coefficients, r, range from -1.00 to +1.00.

True

False

1 points Save Answer

QUESTION 15An entire set of individuals or objects having some common characteristics is:

Sample

Population

Median Group

Complete selection

1 points Save Answer

QUESTION 16Data which uses number values, has an equal distance between values, and has a possible absolute zero is:

Interval

Nominal

Ordinal

Ratio

1 points Save Answer

QUESTION 17To determine the proportion of variability in one variable that can be accounted for or explained by the variability of a second variable, you would calculate a correlation coefficient, then square it.

True

False

1 points Save Answer

QUESTION 18A significant finding with the 2 sample t-test indicates a strong relationship exists between the 2 population means.

True

False

1 points Save Answer

QUESTION 19Data which uses number values with an equal distance between values are:

Nominal

Ordinal

Normal

Interval

1 points Save Answer

QUESTION 20Data which uses numbers to provide categories or labels as well as the ordering of the categories are:

Nominal

Ordinal

Ratio

Interval

1 points Save Answer

QUESTION 21Not all variables retained in a regression model are required to be significant.

True

False

1 points Save Answ

Customer: QUESTION 1A formal statement that there is an absence of relationship between variables when tested by a researcher is called:

Null hypothesis

Type I error

Type II error

Negative interval

1 points Saved

QUESTION 2Bivariate statistics refers to the statistical analysis of the relationship between two variables.

True

False

1 points Save Answer

QUESTION 3Positive relationships between two variables indicate that, as the score of one increases, the score of the other increases.

True

False

1 points Save Answer

QUESTION 4A result that is probably not attributable to chance is:

Type I error

Type II error

Statistical significance

In the semi-quartile range

1 points Save Answer

QUESTION 5A score that is likely to fall into the middle 68% of scores of a normal distribution will fall inside these values:

. +/- 3 standard deviations

+/- 2 standard deviations

+/- 1 standard deviation

semi-quartile range

1 points Save Answer

QUESTION 6It is important to assess the magnitude or strength of a relationship because this assists you with deciding whether or not a variable A causes variable B.

True

False

1 points Save Answer

QUESTION 7In a negative relationship, as the score of one variable decreases, the score on the second variable decreases.

True

False

1 points Save Answer

QUESTION 8A set of subjects, usually randomly sampled, selected to participate in a research study is called:

Population

Sample

Mode Group

Partial Selection

1 points Save Answer

QUESTION 9A perfect negative relationship between two variables is expressed as r=0.

True

False

1 points Save Answer

QUESTION 10When examining the relationship between a nominal variable and an interval or ratio variable, you would create a table using the nominal variables, calculate the mode and median of the interval or ratio variable, then make a decision regarding the relationship using the mode and median.

True

False

1 points Save Answer

QUESTION 11A Z score of +/-1.96 is equivalent to these values on a normal distribution.

Critical region

+/-1 standard deviation

+/-2 standard deviations

+/-3 standard deviations

1 points Save Answer

QUESTION 12An assumption used by statisticians which states that population parameters are normally distributed:

Central Limit Theorem

Null Hypothesis

Statistical significance

Standard deviation

1 points Save Answer

QUESTION 13When examining the relationship between two interval or ration level variables, you can use a scatterplot to allow you to visualize the relationship between the two.

True

False

1 points Save Answer

QUESTION 14Correlation coefficients, r, range from -1.00 to +1.00.

True

False

1 points Save Answer

QUESTION 15An entire set of individuals or objects having some common characteristics is:

Sample

Population

Median Group

Complete selection

1 points Save Answer

QUESTION 16Data which uses number values, has an equal distance between values, and has a possible absolute zero is:

Interval

Nominal

Ordinal

Ratio

1 points Save Answer

QUESTION 17To determine the proportion of variability in one variable that can be accounted for or explained by the variability of a second variable, you would calculate a correlation coefficient, then square it.

True

False

1 points Save Answer

QUESTION 18A significant finding with the 2 sample t-test indicates a strong relationship exists between the 2 population means.

True

False

1 points Save Answer

QUESTION 19Data which uses number values with an equal distance between values are:

Nominal

Ordinal

Normal

Interval

1 points Save Answer

QUESTION 20Data which uses numbers to provide categories or labels as well as the ordering of the categories are:

Nominal

Ordinal

Ratio

Interval

1 points Save Answer

QUESTION 21Not all variables retained in a regression model are required to be significant.

True

False

1 points

Customer: QUESTION 1A formal statement that there is an absence of relationship between variables when tested by a researcher is called:

Null hypothesis

Type I error

Type II error

Negative interval

1 points Saved

QUESTION 2Bivariate statistics refers to the statistical analysis of the relationship between two variables.

True

False

1 points Save Answer

QUESTION 3Positive relationships between two variables indicate that, as the score of one increases, the score of the other increases.

True

False

1 points Save Answer

QUESTION 4A result that is probably not attributable to chance is:

Type I error

Type II error

Statistical significance

In the semi-quartile range

1 points Save Answer

QUESTION 5A score that is likely to fall into the middle 68% of scores of a normal distribution will fall inside these values:

. +/- 3 standard deviations

+/- 2 standard deviations

+/- 1 standard deviation

semi-quartile range

1 points Save Answer

QUESTION 6It is important to assess the magnitude or strength of a relationship because this assists you with deciding whether or not a variable A causes variable B.

True

False

1 points Save Answer

QUESTION 7In a negative relationship, as the score of one variable decreases, the score on the second variable decreases.

True

False

1 points Save Answer

QUESTION 8A set of subjects, usually randomly sampled, selected to participate in a research study is called:

Population

Sample

Mode Group

Partial Selection

1 points Save Answer

QUESTION 9A perfect negative relationship between two variables is expressed as r=0.

True

False

1 points Save Answer

QUESTION 10When examining the relationship between a nominal variable and an interval or ratio variable, you would create a table using the nominal variables, calculate the mode and median of the interval or ratio variable, then make a decision regarding the relationship using the mode and median.

True

False

1 points Save Answer

QUESTION 11A Z score of +/-1.96 is equivalent to these values on a normal distribution.

Critical region

+/-1 standard deviation

+/-2 standard deviations

+/-3 standard deviations

1 points Save Answer

QUESTION 12An assumption used by statisticians which states that population parameters are normally distributed:

Central Limit Theorem

Null Hypothesis

Statistical significance

Standard deviation

1 points Save Answer

QUESTION 13When examining the relationship between two interval or ration level variables, you can use a scatterplot to allow you to visualize the relationship between the two.

True

False

1 points Save Answer

QUESTION 14Correlation coefficients, r, range from -1.00 to +1.00.

True

False

1 points Save Answer

QUESTION 15An entire set of individuals or objects having some common characteristics is:

Sample

Population

Median Group

Complete selection

1 points Save Answer

QUESTION 16Data which uses number values, has an equal distance between values, and has a possible absolute zero is:

Interval

Nominal

Ordinal

Ratio

1 points Save Answer

QUESTION 17To determine the proportion of variability in one variable that can be accounted for or explained by the variability of a second variable, you would calculate a correlation coefficient, then square it.

True

False

1 points Save Answer

QUESTION 18A significant finding with the 2 sample t-test indicates a strong relationship exists between the 2 population means.

True

False

1 points Save Answer

QUESTION 19Data which uses number values with an equal distance between values are:

Nominal

Ordinal

Normal

Interval

1 points Save Answer

QUESTION 20Data which uses numbers to provide categories or labels as well as the ordering of the categories are:

Nominal

Ordinal

Ratio

Interval

1 points Save Answer

QUESTION 21Not all variables retained in a regression model are required to be significant.

True

False

1 points

Customer: QUESTION 1A formal statement that there is an absence of relationship between variables when tested by a researcher is called:

Null hypothesis

Type I error

Type II error

Negative interval

1 points Saved

QUESTION 2Bivariate statistics refers to the statistical analysis of the relationship between two variables.

True

False

1 points Save Answer

QUESTION 3Positive relationships between two variables indicate that, as the score of one increases, the score of the other increases.

True

False

1 points Save Answer

QUESTION 4A result that is probably not attributable to chance is:

Type I error

Type II error

Statistical significance

In the semi-quartile range

1 points Save Answer

QUESTION 5A score that is likely to fall into the middle 68% of scores of a normal distribution will fall inside these values:

. +/- 3 standard deviations

+/- 2 standard deviations

+/- 1 standard deviation

semi-quartile range

1 points Save Answer

QUESTION 6It is important to assess the magnitude or strength of a relationship because this assists you with deciding whether or not a variable A causes variable B.

True

False

1 points Save Answer

QUESTION 7In a negative relationship, as the score of one variable decreases, the score on the second variable decreases.

True

False

1 points Save Answer

QUESTION 8A set of subjects, usually randomly sampled, selected to participate in a research study is called:

Population

Sample

Mode Group

Partial Selection

1 points Save Answer

QUESTION 9A perfect negative relationship between two variables is expressed as r=0.

True

False

1 points Save Answer

QUESTION 10When examining the relationship between a nominal variable and an interval or ratio variable, you would create a table using the nominal variables, calculate the mode and median of the interval or ratio variable, then make a decision regarding the relationship using the mode and median.

True

False

1 points Save Answer

QUESTION 11A Z score of +/-1.96 is equivalent to these values on a normal distribution.

Critical region

+/-1 standard deviation

+/-2 standard deviations

+/-3 standard deviations

1 points Save Answer

QUESTION 12An assumption used by statisticians which states that population parameters are normally distributed:

Central Limit Theorem

Null Hypothesis

Statistical significance

Standard deviation

1 points Save Answer

QUESTION 13When examining the relationship between two interval or ration level variables, you can use a scatterplot to allow you to visualize the relationship between the two.

True

False

1 points Save Answer

QUESTION 14Correlation coefficients, r, range from -1.00 to +1.00.

True

False

1 points Save Answer

QUESTION 15An entire set of individuals or objects having some common characteristics is:

Sample

Population

Median Group

Complete selection

1 points Save Answer

QUESTION 16Data which uses number values, has an equal distance between values, and has a possible absolute zero is:

Interval

Nominal

Ordinal

Ratio

1 points Save Answer

QUESTION 17To determine the proportion of variability in one variable that can be accounted for or explained by the variability of a second variable, you would calculate a correlation coefficient, then square it.

True

False

1 points Save Answer

QUESTION 18A significant finding with the 2 sample t-test indicates a strong relationship exists between the 2 population means.

True

False

1 points Save Answer

QUESTION 19Data which uses number values with an equal distance between values are:

Nominal

Ordinal

Normal

Interval

1 points Save Answer

QUESTION 20Data which uses numbers to provide categories or labels as well as the ordering of the categories are:

Nominal

Ordinal

Ratio

Interval

1 points Save Answer

QUESTION 21Not all variables retained in a regression model are required to be significant.

True

False

1 points

Customer: sorry I posted it to many times. Are you able to help me with these questions?

JA: No. I'm the Tutor's Assistant.

Customer: ok thanks.

JA: Is there anything else important you think the Tutor should know?

Customer: no thank you.

JA: OK. Got it. I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the Tutor about your situation and then connect you two.

JA: The Tutor can help you get an A on your homework or ace your next test. Tell me more about what you need help with so we can help you best.

Customer: A formal statement that there is an absence of relationship between variables when tested by a researcher is called:

Null hypothesis

Type I error

Type II error

Negative interval

1 points Saved

QUESTION 2Bivariate statistics refers to the statistical analysis of the relationship between two variables.

True

False

1 points Save Answer

QUESTION 3Positive relationships between two variables indicate that, as the score of one increases, the score of the other increases.

True

False

1 points Save Answer

QUESTION 4A result that is probably not attributable to chance is:

Type I error

Type II error

Statistical significance

In the semi-quartile range

1 points Save Answer

QUESTION 5A score that is likely to fall into the middle 68% of scores of a normal distribution will fall inside these values:

. +/- 3 standard deviations

+/- 2 standard deviations

+/- 1 standard deviation

semi-quartile range

1 points Save Answer

QUESTION 6It is important to assess the magnitude or strength of a relationship because this assists you with deciding whether or not a variable A causes variable B.

True

False

1 points Save Answer

QUESTION 7In a negative relationship, as the score of one variable decreases, the score on the second variable decreases.

True

False

1 points Save Answer

QUESTION 8A set of subjects, usually randomly sampled, selected to participate in a research study is called:

Population

Sample

Mode Group

Partial Selection

1 points Save Answer

QUESTION 9A perfect negative relationship between two variables is expressed as r=0.

True

False

1 points Save Answer

QUESTION 10When examining the relationship between a nominal variable and an interval or ratio variable, you would create a table using the nominal variables, calculate the mode and median of the interval or ratio variable, then make a decision regarding the relationship using the mode and median.

True

False

1 points Save Answer

QUESTION 11A Z score of +/-1.96 is equivalent to these values on a normal distribution.

Critical region

+/-1 standard deviation

+/-2 standard deviations

+/-3 standard deviations

1 points Save Answer

QUESTION 12An assumption used by statisticians which states that population parameters are normally distributed:

Central Limit Theorem

Null Hypothesis

Statistical significance

Standard deviation

1 points Save Answer

QUESTION 13When examining the relationship between two interval or ration level variables, you can use a scatterplot to allow you to visualize the relationship between the two.

True

False

1 points Save Answer

QUESTION 14Correlation coefficients, r, range from -1.00 to +1.00.

True

False

1 points Save Answer

QUESTION 15An entire set of individuals or objects having some common characteristics is:

Sample

Population

Median Group

Complete selection

1 points Save Answer

QUESTION 16Data which uses number values, has an equal distance between values, and has a possible absolute zero is:

Interval

Nominal

Ordinal

Ratio

1 points Save Answer

QUESTION 17To determine the proportion of variability in one variable that can be accounted for or explained by the variability of a second variable, you would calculate a correlation coefficient, then square it.

True

False

1 points Save Answer

QUESTION 18A significant finding with the 2 sample t-test indicates a strong relationship exists between the 2 population means.

True

False

1 points Save Answer

QUESTION 19Data which uses number values with an equal distance between values are:

Nominal

Ordinal

Normal

Interval

1 points Save Answer

QUESTION 20Data which uses numbers to provide categories or labels as well as the ordering of the categories are:

Nominal

Ordinal

Ratio

Interval

1 points Save Answer

QUESTION 21Not all variables retained in a regression model are required to be significant.

True

False

1 points Save Answ

Customer: QUESTION 1A formal statement that there is an absence of relationship between variables when tested by a researcher is called:

Null hypothesis

Type I error

Type II error

Negative interval

1 points Saved

QUESTION 2Bivariate statistics refers to the statistical analysis of the relationship between two variables.

True

False

1 points Save Answer

QUESTION 3Positive relationships between two variables indicate that, as the score of one increases, the score of the other increases.

True

False

1 points Save Answer

QUESTION 4A result that is probably not attributable to chance is:

Type I error

Type II error

Statistical significance

In the semi-quartile range

1 points Save Answer

QUESTION 5A score that is likely to fall into the middle 68% of scores of a normal distribution will fall inside these values:

. +/- 3 standard deviations

+/- 2 standard deviations

+/- 1 standard deviation

semi-quartile range

1 points Save Answer

QUESTION 6It is important to assess the magnitude or strength of a relationship because this assists you with deciding whether or not a variable A causes variable B.

True

False

1 points Save Answer

QUESTION 7In a negative relationship, as the score of one variable decreases, the score on the second variable decreases.

True

False

1 points Save Answer

QUESTION 8A set of subjects, usually randomly sampled, selected to participate in a research study is called:

Population

Sample

Mode Group

Partial Selection

1 points Save Answer

QUESTION 9A perfect negative relationship between two variables is expressed as r=0.

True

False

1 points Save Answer

QUESTION 10When examining the relationship between a nominal variable and an interval or ratio variable, you would create a table using the nominal variables, calculate the mode and median of the interval or ratio variable, then make a decision regarding the relationship using the mode and median.

True

False

1 points Save Answer

QUESTION 11A Z score of +/-1.96 is equivalent to these values on a normal distribution.

Critical region

+/-1 standard deviation

+/-2 standard deviations

+/-3 standard deviations

1 points Save Answer

QUESTION 12An assumption used by statisticians which states that population parameters are normally distributed:

Central Limit Theorem

Null Hypothesis

Statistical significance

Standard deviation

1 points Save Answer

QUESTION 13When examining the relationship between two interval or ration level variables, you can use a scatterplot to allow you to visualize the relationship between the two.

True

False

1 points Save Answer

QUESTION 14Correlation coefficients, r, range from -1.00 to +1.00.

True

False

1 points Save Answer

QUESTION 15An entire set of individuals or objects having some common characteristics is:

Sample

Population

Median Group

Complete selection

1 points Save Answer

QUESTION 16Data which uses number values, has an equal distance between values, and has a possible absolute zero is:

Interval

Nominal

Ordinal

Ratio

1 points Save Answer

QUESTION 17To determine the proportion of variability in one variable that can be accounted for or explained by the variability of a second variable, you would calculate a correlation coefficient, then square it.

True

False

1 points Save Answer

QUESTION 18A significant finding with the 2 sample t-test indicates a strong relationship exists between the 2 population means.

True

False

1 points Save Answer

QUESTION 19Data which uses number values with an equal distance between values are:

Nominal

Ordinal

Normal

Interval

1 points Save Answer

QUESTION 20Data which uses numbers to provide categories or labels as well as the ordering of the categories are:

Nominal

Ordinal

Ratio

Interval

1 points Save Answer

QUESTION 21Not all variables retained in a regression model are required to be significant.

True

False

1 points

Customer: QUESTION 1A formal statement that there is an absence of relationship between variables when tested by a researcher is called:

Null hypothesis

Type I error

Type II error

Negative interval

1 points Saved

QUESTION 2Bivariate statistics refers to the statistical analysis of the relationship between two variables.

True

False

1 points Save Answer

QUESTION 3Positive relationships between two variables indicate that, as the score of one increases, the score of the other increases.

True

False

1 points Save Answer

QUESTION 4A result that is probably not attributable to chance is:

Type I error

Type II error

Statistical significance

In the semi-quartile range

1 points Save Answer

QUESTION 5A score that is likely to fall into the middle 68% of scores of a normal distribution will fall inside these values:

. +/- 3 standard deviations

+/- 2 standard deviations

+/- 1 standard deviation

semi-quartile range

1 points Save Answer

QUESTION 6It is important to assess the magnitude or strength of a relationship because this assists you with deciding whether or not a variable A causes variable B.

True

False

1 points Save Answer

QUESTION 7In a negative relationship, as the score of one variable decreases, the score on the second variable decreases.

True

False

1 points Save Answer

QUESTION 8A set of subjects, usually randomly sampled, selected to participate in a research study is called:

Population

Sample

Mode Group

Partial Selection

1 points Save Answer

QUESTION 9A perfect negative relationship between two variables is expressed as r=0.

True

False

1 points Save Answer

QUESTION 10When examining the relationship between a nominal variable and an interval or ratio variable, you would create a table using the nominal variables, calculate the mode and median of the interval or ratio variable, then make a decision regarding the relationship using the mode and median.

True

False

1 points Save Answer

QUESTION 11A Z score of +/-1.96 is equivalent to these values on a normal distribution.

Critical region

+/-1 standard deviation

+/-2 standard deviations

+/-3 standard deviations

1 points Save Answer

QUESTION 12An assumption used by statisticians which states that population parameters are normally distributed:

Central Limit Theorem

Null Hypothesis

Statistical significance

Standard deviation

1 points Save Answer

QUESTION 13When examining the relationship between two interval or ration level variables, you can use a scatterplot to allow you to visualize the relationship between the two.

True

False

1 points Save Answer

QUESTION 14Correlation coefficients, r, range from -1.00 to +1.00.

True

False

1 points Save Answer

QUESTION 15An entire set of individuals or objects having some common characteristics is:

Sample

Population

Median Group

Complete selection

1 points Save Answer

QUESTION 16Data which uses number values, has an equal distance between values, and has a possible absolute zero is:

Interval

Nominal

Ordinal

Ratio

1 points Save Answer

QUESTION 17To determine the proportion of variability in one variable that can be accounted for or explained by the variability of a second variable, you would calculate a correlation coefficient, then square it.

True

False

1 points Save Answer

QUESTION 18A significant finding with the 2 sample t-test indicates a strong relationship exists between the 2 population means.

True

False

1 points Save Answer

QUESTION 19Data which uses number values with an equal distance between values are:

Nominal

Ordinal

Normal

Interval

1 points Save Answer

QUESTION 20Data which uses numbers to provide categories or labels as well as the ordering of the categories are:

Nominal

Ordinal

Ratio

Interval

1 points Save Answer

QUESTION 21Not all variables retained in a regression model are required to be significant.

True

False

1 points

Customer: QUESTION 1A formal statement that there is an absence of relationship between variables when tested by a researcher is called:

Null hypothesis

Type I error

Type II error

Negative interval

1 points Saved

QUESTION 2Bivariate statistics refers to the statistical analysis of the relationship between two variables.

True

False

1 points Save Answer

QUESTION 3Positive relationships between two variables indicate that, as the score of one increases, the score of the other increases.

True

False

1 points Save Answer

QUESTION 4A result that is probably not attributable to chance is:

Type I error

Type II error

Statistical significance

In the semi-quartile range

1 points Save Answer

QUESTION 5A score that is likely to fall into the middle 68% of scores of a normal distribution will fall inside these values:

. +/- 3 standard deviations

+/- 2 standard deviations

+/- 1 standard deviation

semi-quartile range

1 points Save Answer

QUESTION 6It is important to assess the magnitude or strength of a relationship because this assists you with deciding whether or not a variable A causes variable B.

True

False

1 points Save Answer

QUESTION 7In a negative relationship, as the score of one variable decreases, the score on the second variable decreases.

True

False

1 points Save Answer

QUESTION 8A set of subjects, usually randomly sampled, selected to participate in a research study is called:

Population

Sample

Mode Group

Partial Selection

1 points Save Answer

QUESTION 9A perfect negative relationship between two variables is expressed as r=0.

True

False

1 points Save Answer

QUESTION 10When examining the relationship between a nominal variable and an interval or ratio variable, you would create a table using the nominal variables, calculate the mode and median of the interval or ratio variable, then make a decision regarding the relationship using the mode and median.

True

False

1 points Save Answer

QUESTION 11A Z score of +/-1.96 is equivalent to these values on a normal distribution.

Critical region

+/-1 standard deviation

+/-2 standard deviations

+/-3 standard deviations

1 points Save Answer

QUESTION 12An assumption used by statisticians which states that population parameters are normally distributed:

Central Limit Theorem

Null Hypothesis

Statistical significance

Standard deviation

1 points Save Answer

QUESTION 13When examining the relationship between two interval or ration level variables, you can use a scatterplot to allow you to visualize the relationship between the two.

True

False

1 points Save Answer

QUESTION 14Correlation coefficients, r, range from -1.00 to +1.00.

True

False

1 points Save Answer

QUESTION 15An entire set of individuals or objects having some common characteristics is:

Sample

Population

Median Group

Complete selection

1 points Save Answer

QUESTION 16Data which uses number values, has an equal distance between values, and has a possible absolute zero is:

Interval

Nominal

Ordinal

Ratio

1 points Save Answer

QUESTION 17To determine the proportion of variability in one variable that can be accounted for or explained by the variability of a second variable, you would calculate a correlation coefficient, then square it.

True

False

1 points Save Answer

QUESTION 18A significant finding with the 2 sample t-test indicates a strong relationship exists between the 2 population means.

True

False

1 points Save Answer

QUESTION 19Data which uses number values with an equal distance between values are:

Nominal

Ordinal

Normal

Interval

1 points Save Answer

QUESTION 20Data which uses numbers to provide categories or labels as well as the ordering of the categories are:

Nominal

Ordinal

Ratio

Interval

1 points Save Answer

QUESTION 21Not all variables retained in a regression model are required to be significant.

True

False

1 points

Customer: sorry I posted it to many times. Are you able to help me with these questions?

JA: No. I'm the Tutor's Assistant.

Customer: ok thanks.

JA: Is there anything else important you think the Tutor should know?

Customer: no thank you.

JA: OK. Got it. I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the Tutor about your situation and then connect you two.

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