Math Homework

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FOR CHIRAG 19) A multiple-choice test has 20 questions.
FOR CHIRAG 19) A multiple-choice test has 20 questions. There are four choices for each question. A student comes to class with four different colored balls of identical shape and size in her pocket. … read more
Chirag
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Here is another series of questions if you have time throughout
Here is another series of questions if you have time throughout the day. 1. The manager of the purchasing department of a large banking organization would like to develop a model to predict the amount… read more
Stevewh
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27) A random variable follows the students t distribution.
For M Hassan 27) A random variable follows the student's t distribution. The probability that it will be positive is A. 0.05 B. 0 C. 1 D. less than 0.50. 28) The standard error of the sample mean is e… read more
mhasan420
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27) The expected value of the sampling distribution of the
27) The expected value of the sampling distribution of the sample mean equals the population mean A. for all populations. B. when the population is normally distributed. C. when the population is symm… read more
Scott
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Section 1 1) 17” is an appropriate null hypothesis. A.
Section 1 1) “µ = 17” is an appropriate null hypothesis. A. True B. False 2) The value that separates a rejection region from a non-rejection region is called the test statistic. A. True B. False 3) I… read more
R.R. Jha
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A statistician was setting up a hypothesis test with a level
A statistician was setting up a hypothesis test with a level of significance dictated by upper management. However, she was concerned that the test she wished to perform might have unacceptable large … read more
SusanAthena
Master's Degree
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16) Which of the following statements is true regarding a population
16) Which of the following statements is true regarding a population? A. It must be a large number of values. B. It must refer to people. C. It is a collection of individuals, objects, or measurements… read more
mcleo19
Assistant Professor
Doctoral Degree
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I have several questions 13) For a sample size of 1, the
I have several questions: 13) For a sample size of 1, the sampling distribution of the mean will be normally distributed A. Only if the population is normally distributed. B. Only if the population va… read more
mlamias
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1) If a sociologist wishes to determine if there is evidence
1) If a sociologist wishes to determine if there is evidence that average family in a community exceeds \$47,000, a two-tailed test should be used. A. True B. False 2) A Type II error is committed when… read more
Scott
Master's Degree
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Which of the following statements is consistent with the Central
Which of the following statements is consistent with the Central Limit Theorem? A. Means of samples of n=30 from an exponential distribution will be approximately normally distributed. B. When we know… read more
Sandhya
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1) If a hypothesis test has a level of significance of 5%,
1) If a hypothesis test has a level of significance of 5%, that means if the null is true, we don't reject it 5% of the time. A. True B. False 2) “µ = 17” is an appropriate null hypothesis. A. True B.… read more
rajeevanpillai
Master's Degree
Master's Degree
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2.A random variable follows the Students t distribution. The
2.A random variable follows the Student's t distribution. The probability that it will be positive is A. Less than 0.50 B. 0 C. .05 D. 1 10. Which of the following statements is consistent with the Ce… read more
mhasan420
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A random variable follows the students t distribution. The
A random variable follows the student's t distribution. The probability that it will be positive is A. 0.05 B. 1 C. less than 0.50. D. 0 17) The expected value of the sampling distribution of the samp… read more
abozer
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13) The use of the Students t distribution requires which
13) The use of the Student's t distribution requires which of the following assumptions? A. The sample size is greater than 30. B. The population variance is known. C. The sample is drawn from a posit… read more
abozer
Bachelor's Degree
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7) Degrees of freedom for a test of mean differences with unequal
7) Degrees of freedom for a test of mean differences with unequal variances is A. n – 2 B. n1 + n2 - 1 C. n – 1 D. n1 + n2 - 2 8) When testing for differences between two means, the Behrens-Fisher pro… read more
StatisticsExpert
Asst. Professor
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1.The alternative hypothesis a. none of these b. is accepted
1.The alternative hypothesis a. none of these b. is accepted if the null hypothesis is rejected c. tells the values of the same mean d. will always contain equal sign 2. A type I error is a. accepting… read more
abozer
Bachelor's Degree
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16) For a sample size of 1, the sampling distribution of the
16) For a sample size of 1, the sampling distribution of the mean will be normally distributed A. regardless of the shape of the population. B. only if the shape of the population is positively skewed… read more
abozer
Bachelor's Degree
6,158 satisfied customers
1. For a sample size of 1, the sampling distribution of the
1. For a sample size of 1, the sampling distribution of the mean will be normally distributed A. Regardless of the shape of the population B. Only if the population values are larger than 30. C. Only … read more
Scott
Master's Degree
16,701 satisfied customers
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