Test Bank For Mind On Statistics 5th Edition By Utts

Test Bank For Mind On Statistics 5th Edition By Utts

Chapter 2

Sections 2.1 – 2.3

1. Tallies and cross-tabulations are used to summarize which of these variable types?
   1. Quantitative
   2. Mathematical
   3. Continuous
   4. Categorical

KEY: D

1. The table below summarizes observed data on the gender and party membership of 1000 individuals:

Party Membership

Gender

Democrat

Republican

Total

Male

300

300

600

Female

200

200

400

Total

500

500

1000

Which one of the following statements about the relationship between gender and party is suggested by the data in the table?

1. There is a relationship between gender and party membership.
2. There is no relationship between gender and party membership.
3. There is a relationship between gender and being a Democrat but not between gender and being a Republican.
4. There is a relationship between gender and party membership for males but not for females.

KEY: B

1. Which one of these variables is a categorical variable?
   1. Number of ear pierces a person has
   2. Height of a person
   3. Weight of a person
   4. Opinion about legalization of marijuana

KEY: D

1. Which one of the following variables is not categorical?
   1. Age of a person.
   2. Gender of a person: male or female.
   3. Choice on a test item: true or false.
   4. Marital status of a person (single, married, divorced, other)

KEY: A

1. Which of the following is not a term used for a quantitative variable?
   1. Measurement variable
   2. Numerical variable
   3. Continuous variable
   4. Categorical variable

KEY: D

6.Listed below is the number of Congressional Medals of Honor awarded in wars fought by the United States.

War

Civil

World War I

World War II

Korean

Vietnam

Other

Total

Medals

1,520

124

440

141

239

105

2,569

What percent of all medals given were awarded during World War I and World War II?

1. 1. 4.83%
   2. 17.13%
   3. 21.95%
   4. 78.01%

KEY: C

Questions 7 to 9: In a survey of 1000 adults, respondents were asked about the expense of a college education and the relative necessity of financial assistance. The correspondents were classified as to whether they currently had a child in college or not (college status), and whether they thought the loan obligation for most college students was too high, about right, or too little (loan obligation opinion). The table below summarizes some of the survey results. Use these results to answer the following questions.

Loan Obligation Opinion

College Status

Too High

About Right

Too Little

Total

Child in College

350

80

10

440

No Child in College

250

200

110

560

1. Which type of variable is Loan Obligation Opinion?
   1. Categorical
   2. Quantitative
   3. Continuous
   4. Measurement

KEY: A

1. What role does the variable Loan Obligation Opinion play in this study?
   1. Explanatory
   2. Response
   3. Confounding
   4. It plays no role in the study.

KEY: B

1. Which group had the greatest percentage of adults who thought loan obligations are too high?
   1. Those adults that have a child in college
   2. Those adults that do not have a child in college
   3. Both groups have the same percent thinking loan obligations are too high

KEY: A