Question 1

The most common level of significance used in hypothesis testing is _____.

Accepted Answer

A)  .05 
B)  .10 
C)  .25 
D)  .90 
E)  .95 
A)  .05 
B)  .10 
C)  .25 
D)  .90 
E)  .95

Question 2

Repeated measures taken from the same participant are called _____.

Accepted Answer

A)  examinations 
B)  related samples 
C)  time series data 
D)  trials 
E)  n-way tests 
A)  examinations 
B)  related samples 
C)  time series data 
D)  trials 
E)  n-way tests

Question 3

Which of the following best explains how the F ratio examines differences among groups?

Accepted Answer

A)  The variability attributable to a treatment is compared to the variability arising from random error 
B)  The probability of making a type I error is compared to the probability of making a type II error 
C)  The critical F is compared to the critical t 
D)  The standard deviation for each group is subtracted from the mean of all groups 
E)  None of the above 
A)  The variability attributable to a treatment is compared to the variability arising from random error 
B)  The probability of making a type I error is compared to the probability of making a type II error 
C)  The critical F is compared to the critical t 
D)  The standard deviation for each group is subtracted from the mean of all groups 
E)  None of the above

Question 4

Which statement is NOT true concerning the t distribution?

Accepted Answer

A)  Compared to the normal distribution, the t distribution has more area in the tails and less in the center. 
B)  As the number of degrees of freedom increases, the t distribution approaches the normal distribution. 
C)  The t distributions are skewed to the left. 
D)  The population variance is unknown and is estimated by the sample variance s2. 
E)  As the sample size increases beyond 120, the t and Z distributions are indistinguishable. 
A)  Compared to the normal distribution, the t distribution has more area in the tails and less in the center. 
B)  As the number of degrees of freedom increases, the t distribution approaches the normal distribution. 
C)  The t distributions are skewed to the left. 
D)  The population variance is unknown and is estimated by the sample variance s2. 
E)  As the sample size increases beyond 120, the t and Z distributions are indistinguishable.

Question 5

The hypothesis that the number of hours worked is related to student grade point average is a _____ hypothesis.

Accepted Answer

A)  null 
B)  one-tailed test 
C)  two-tailed test 
D)  test of proportions 
E)  test of means 
A)  null 
B)  one-tailed test 
C)  two-tailed test 
D)  test of proportions 
E)  test of means

Question 6

Which of the following illustrates the correct expression of the alternate hypothesis that customers of McDonald's consume more than the national average of 36 hamburgers each year?

Accepted Answer

A)  H0: π ≤ 36 
B)  HA: π > 36 
C)  H0: µ = 36 
D)  HA: µ ≠ 36 
E)  HA: µ > 36 
A)  H0: π ≤ 36 
B)  HA: π > 36 
C)  H0: µ = 36 
D)  HA: µ ≠ 36 
E)  HA: µ > 36

Question 7

Which test is an extension of the McNemar test useful for tests involving more than two samples?

Accepted Answer

A)  Cochran Q 
B)  ANOVA 
C)  n-way ANOVA 
D)  Kruskal-Wallis 
E)  Mann-Whitney U 
A)  Cochran Q 
B)  ANOVA 
C)  n-way ANOVA 
D)  Kruskal-Wallis 
E)  Mann-Whitney U

Question 8

If the hypothesis presented is tested with a .05 level of significance and the resulting p value is .01,which of the following is the correct decision regarding the null hypothesis?

Accepted Answer

A)  Reject the null 
B)  Cannot reject the null 
C)  The decision cannot be determined with the information provided 
D)  Reject the alternate 
E)  None of the above 
A)  Reject the null 
B)  Cannot reject the null 
C)  The decision cannot be determined with the information provided 
D)  Reject the alternate 
E)  None of the above

Question 9

What is the difference between a Type I error and a Type II error? How are the two errors related?

Accepted Answer

A Type I error occurs when the sample re

Question 10

Under which of the following conditions must the null hypothesis be rejected?

Accepted Answer

A)  p value  α 
C)  p value = α 
D)  p value cannot be determined 
E)  p value is unrelated to hypothesis testing 
A)  p value  α 
C)  p value = α 
D)  p value cannot be determined 
E)  p value is unrelated to hypothesis testing

Question 11

Which of the following illustrates the correct expression of the null hypothesis for the alternate hypothesis that more than 40% of Internet users shop online?

Accepted Answer

A)  H0: π ≤ .40 
B)  HA: π > .40 
C)  H0: π = .40 
D)  HA: π ≠ .40 
E)  H0: µ = .40 
A)  H0: π ≤ .40 
B)  HA: π > .40 
C)  H0: π = .40 
D)  HA: π ≠ .40 
E)  H0: µ = .40

Question 12

What type of hypothesis states that a sample statistic is either greater than or less than the population parameter?

Accepted Answer

A)  Null 
B)  One-tailed 
C)  Two-tailed 
D)  Three-tailed 
E)  None of the above 
A)  Null 
B)  One-tailed 
C)  Two-tailed 
D)  Three-tailed 
E)  None of the above

Question 13

In an examination of differences among the mean hamburger consumption of people in the United Kingdom,United States,France,and Korea,how would the null hypothesis be stated?

Accepted Answer

A)  H0: πUK > πUS > πFR > πKR 
B)  HA: πUK + πUS > πFR + πKR 
C)  H0: μUK = μUS = μFR = μKR 
D)  HA: π ≠ 0 
E)  H0: μ = 0 
A)  H0: πUK > πUS > πFR > πKR 
B)  HA: πUK + πUS > πFR + πKR 
C)  H0: μUK = μUS = μFR = μKR 
D)  HA: π ≠ 0 
E)  H0: μ = 0

Question 14

_____ tests are hypothesis testing procedures that assume that the variables of interest are measured on at least an interval scale.

Accepted Answer

A)  Parameter 
B)  Parametric 
C)  Nonparametric 
D)  Significance 
E)  Metric 
A)  Parameter 
B)  Parametric 
C)  Nonparametric 
D)  Significance 
E)  Metric

Question 15

Which of the following involves a test of two-related samples?

Accepted Answer

A)  test of differences in the percent of men and women who are or are not members of Greek organizations on campus 
B)  Test of the average incomes of magazine subscribers of Southern Living verses Better Homes and Gardens 
C)  Test of whether the mean salary of professors at Metro University is higher than the national average for university professors 
D)  Test of whether a change occurred in the likelihood of heart disease among people who switched to a diet high in fish 
E)  Test of differences in ad recall among three experimental groups (each of which saw a different advertisement) and a control group 
A)  test of differences in the percent of men and women who are or are not members of Greek organizations on campus 
B)  Test of the average incomes of magazine subscribers of Southern Living verses Better Homes and Gardens 
C)  Test of whether the mean salary of professors at Metro University is higher than the national average for university professors 
D)  Test of whether a change occurred in the likelihood of heart disease among people who switched to a diet high in fish 
E)  Test of differences in ad recall among three experimental groups (each of which saw a different advertisement) and a control group

Question 16

A two-way ANOVA differs from a one-way ANOVA in that _____.

Accepted Answer

A)  Post hoc comparisons are completed as a part of the initial test 
B)  It requires an assumption of normality 
C)  It examines possible interaction effects among two independent factors 
D)  It examines possible interaction effects among two or more dependent variables 
E)  It allows an examination of ordinal data 
A)  Post hoc comparisons are completed as a part of the initial test 
B)  It requires an assumption of normality 
C)  It examines possible interaction effects among two independent factors 
D)  It examines possible interaction effects among two or more dependent variables 
E)  It allows an examination of ordinal data

Question 17

Which of the following hypotheses is an alternative hypothesis?

Accepted Answer

A)  There is no relationship between grade point average and drinking behavior among college students 
B)  Seniors are no more likely than freshmen to binge drink 
C)  Men are more likely to binge drink than women 
D)  Athletes and non-athletes are equally likely to binge drink 
E)  There is no difference in alcohol consumption among beer drinkers and wine drinkers 
A)  There is no relationship between grade point average and drinking behavior among college students 
B)  Seniors are no more likely than freshmen to binge drink 
C)  Men are more likely to binge drink than women 
D)  Athletes and non-athletes are equally likely to binge drink 
E)  There is no difference in alcohol consumption among beer drinkers and wine drinkers

Question 18

The _____ is a parametric test to determine the statistical significance between the sample distribution mean and a population parameter.

Accepted Answer

A)  F statistic 
B)  t-test 
C)  Z distribution 
D)  Z test 
E)  t distribution 
A)  F statistic 
B)  t-test 
C)  Z distribution 
D)  Z test 
E)  t distribution

Question 19

The probability of observing a sample value as extreme as,or more extreme than,the value actually observed,given that the null hypothesis is true is called the _____.

Accepted Answer

A)  level of significance 
B)  critical value 
C)  t statistic 
D)  p value 
E)  alpha 
A)  level of significance 
B)  critical value 
C)  t statistic 
D)  p value 
E)  alpha

Question 20

Which of the following hypotheses is a two-tailed test?

Accepted Answer

A)  Hamburger consumption differs among men and women 
B)  Men consume more hamburgers than women 
C)  Women are more concerned with the health consequences associated with eating hamburgers than are men 
D)  There is no difference in hamburger consumption among men and women 
E)  All of the above are two-tailed tests 
A)  Hamburger consumption differs among men and women 
B)  Men consume more hamburgers than women 
C)  Women are more concerned with the health consequences associated with eating hamburgers than are men 
D)  There is no difference in hamburger consumption among men and women 
E)  All of the above are two-tailed tests

Exam 17: Hypothesis Testing

The most common level of significance used in hypothesis testing is _____.

Repeated measures taken from the same participant are called _____.

Which of the following best explains how the F ratio examines differences among groups?

Which statement is NOT true concerning the t distribution?

The hypothesis that the number of hours worked is related to student grade point average is a _____ hypothesis.

Which of the following illustrates the correct expression of the alternate hypothesis that customers of McDonald's consume more than the national average of 36 hamburgers each year?

Which test is an extension of the McNemar test useful for tests involving more than two samples?

If the hypothesis presented is tested with a .05 level of significance and the resulting p value is .01,which of the following is the correct decision regarding the null hypothesis?

What is the difference between a Type I error and a Type II error? How are the two errors related?

Under which of the following conditions must the null hypothesis be rejected?

Which of the following illustrates the correct expression of the null hypothesis for the alternate hypothesis that more than 40% of Internet users shop online?

What type of hypothesis states that a sample statistic is either greater than or less than the population parameter?

In an examination of differences among the mean hamburger consumption of people in the United Kingdom,United States,France,and Korea,how would the null hypothesis be stated?

_____ tests are hypothesis testing procedures that assume that the variables of interest are measured on at least an interval scale.

Which of the following involves a test of two-related samples?

A two-way ANOVA differs from a one-way ANOVA in that _____.

Which of the following hypotheses is an alternative hypothesis?

The _____ is a parametric test to determine the statistical significance between the sample distribution mean and a population parameter.

The probability of observing a sample value as extreme as,or more extreme than,the value actually observed,given that the null hypothesis is true is called the _____.

Which of the following hypotheses is a two-tailed test?

Research in Business

Ethics in Business Research

Thinking Like a Researcher

The Research Process: an Overview

Clarifying the Research Question Through Secondary Data and Exploration

Research Design: An Overview

Qualitative Research

Observation Studies

Experiments

Surveys

Measurement

Measurement Scales

Questionnaires and Instruments

Sampling

Data Preparation and Description

Exploring,Displaying,and Examining Data

Measures of Association

Presenting Insights and Findings: Written Reports

Presenting Insights and Findings: Oral Presentations

Appendix 1A: How the Industry Works

Appendix 5A and 5B: Bibliographic Database Searchers and Advanced Searches

Appendix 9B: Test Markets

Appendix: Multivariate Supplement

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