Calculus and Above

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Give a specific example. 2. Fill...

1. How is sample size related to statistical tests and outcomes? Give a specific example.

2. Fill in the following for a possible study with one independent variable (IV) with two

conditions/treatments and a dependent variable (DV) that is measured on a continuous scale (interval or ratio):

• Independent variable = ______________

Condition A = ______________

Condition B = ______________

• Dependent variable = _______________

• How do you know this DV is measured on a continuous scale?

• Now, how would you word the null hypothesis for your sample study?

• How would you word the alternative hypothesis for your sample study?

• What alpha level would you set to test your hypothesis? Why?

2.

Directions:

Review the SPSS output file, which presents separate descriptive statistics on the price per 6-pack for each of the beer brands that are regular (not reduced calorie) and those that are reduced calorie. Answer the following questions based on your observations of the SPSS output file:

What is the highest price (maximum) charged among all the regular brands for a 6-pack? State the dollar amount.

What is the highest price (maximum) charged among all the reduced calorie brands for a 6 pack? State the dollar amount.

What is the mean price charged for a 6-pack of regular beer brands? State the dollar amount.

What is the mean price charged for a 6-pack of reduced calorie brands? State the dollar amount.

What is the skewness of the distribution of prices for the regular beer brands? State the value. Is it positively or negatively skewed?

What is the skewness of the distribution of prices for the reduced calorie beer brands? State the value. Is it positively or negatively skewed?

PSY845.R.Output for Mod 3 exercises.docx PSY845.R.SPSS Data Set Legend.docx Drinks.sav

3.

Directions:

Review the SPSS output file ("Module 2 SPSS Output") for various ways of summarizing information for discrete (nominal and ordinal variables) and for continuous (interval and ratio) variables. Answer the following questions based on your observations of the SPSS output file:

How many brands of wheat beer were rated as "Fair" in quality? (See the Frequency Table section of the output document.)

Which quality of beer (as rated by the expert) was evenly available on both the national and regional levels in the USA? Why? (See Crosstabs section of the output document.)

What was the mean price per six-pack for all of the brands of wheat beer? What was the lowest (minimum) price per six-pack? What was the highest (maximum) price per six-pack? (See Descriptives section of the output document.)

Drinks.sav PSY845.R.Output for Mod 2 exercises.docx PSY845.R.SPSS Data Set Legend.docx

2. Fill in the following for a possible study with one independent variable (IV) with two

conditions/treatments and a dependent variable (DV) that is measured on a continuous scale (interval or ratio):

• Independent variable = ______________

Condition A = ______________

Condition B = ______________

• Dependent variable = _______________

• How do you know this DV is measured on a continuous scale?

• Now, how would you word the null hypothesis for your sample study?

• How would you word the alternative hypothesis for your sample study?

• What alpha level would you set to test your hypothesis? Why?

2.

Directions:

Review the SPSS output file, which presents separate descriptive statistics on the price per 6-pack for each of the beer brands that are regular (not reduced calorie) and those that are reduced calorie. Answer the following questions based on your observations of the SPSS output file:

What is the highest price (maximum) charged among all the regular brands for a 6-pack? State the dollar amount.

What is the highest price (maximum) charged among all the reduced calorie brands for a 6 pack? State the dollar amount.

What is the mean price charged for a 6-pack of regular beer brands? State the dollar amount.

What is the mean price charged for a 6-pack of reduced calorie brands? State the dollar amount.

What is the skewness of the distribution of prices for the regular beer brands? State the value. Is it positively or negatively skewed?

What is the skewness of the distribution of prices for the reduced calorie beer brands? State the value. Is it positively or negatively skewed?

PSY845.R.Output for Mod 3 exercises.docx PSY845.R.SPSS Data Set Legend.docx Drinks.sav

3.

Directions:

Review the SPSS output file ("Module 2 SPSS Output") for various ways of summarizing information for discrete (nominal and ordinal variables) and for continuous (interval and ratio) variables. Answer the following questions based on your observations of the SPSS output file:

How many brands of wheat beer were rated as "Fair" in quality? (See the Frequency Table section of the output document.)

Which quality of beer (as rated by the expert) was evenly available on both the national and regional levels in the USA? Why? (See Crosstabs section of the output document.)

What was the mean price per six-pack for all of the brands of wheat beer? What was the lowest (minimum) price per six-pack? What was the highest (maximum) price per six-pack? (See Descriptives section of the output document.)

Drinks.sav PSY845.R.Output for Mod 2 exercises.docx PSY845.R.SPSS Data Set Legend.docx

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