1.When the variables of interest are measured on nominal or ordinal scales, what should be used to estimate population proportion?

a.Standard error

b.Standard deviation

c.Sample proportion of incidence (p)

d.Sample proportion of incidence (p) * 1 - (p)

e.Sample statistic

2.When the variables of interest are measured on nominal or ordinal scales, what should be used to estimate population variance?

a.Standard error

b.Standard deviation

c.Sample proportion of incidence (p)

d.Sample proportion of incidence (p) * 1 - (p)

e.Sample statistic

3.A local restaurant is planning a study on demand for meals over holiday weekends. In calculating the desired sample size for the study, the restaurant's researcher decides to use a rule-of-thumb calculation for estimating the population dispersion. If the range of meals in the study is 0 to 30, what standard deviation does the rule-of-thumb method produce?

a.2

b.4

c.5

d.6

e.1

4.Which term below refers to a controlled procedure that assures that each population element is given a known nonzero chance of selection into the sample?

a.Nonprobability sampling

b.Random selection

c.Systematic selection

d.Judgment sampling

e.Statistical selection

5.Hilton Hotels wishes to conduct a study on the determinants of brand loyalty among Hilton Hotel customers. The Hilton organization estimates that 10% of its 2, 600,000 Hilton Honors club members are loyal to the Hilton brand wherever they travel. However, the remaining members may choose other hotel brands at times. The organization wants to understand how to increase loyalty among the other 90% of club members.

Hilton plans to send surveys to 10,000 Hilton Honors club members. This group of people is known as the _____.

A.sample frame

B.population

C.census

D.sample

E.population element

6.In a study of college search behaviors among the families of college-bound high school students, the search behaviors are very different from family to family. In the situation described, which guideline below best explains why the researcher will use a larger sample size?

a.The greater the variance within the population, the larger the sample should be

b.The greater the desired precision of the estimate, the larger the sample should be

c.The smaller the error range, the larger the sample must be

d.The higher the level of confidence in the estimate, the larger the sample must be

e.The greater the number of subgroups of interest within a sample, the larger the sample must be

7.Which of the following guidelines must be followed in the development and use of coding rules?

a.Categories within a single variable must be appropriate

b.Categories within a single variable must be exhaustive

c.Categories within a single variable must be mutually exclusive

d.Categories must be derived from one classification principles

e.All of the above

8._____ is a measure of the relative peakedness or flatness of the curve defined by the frequency distribution.

a.Kurtosis

b.Deviation

c.Point estimate

d.Standard error

e.Z score

9.On a survey of how students spend their time, one question asks, "Which of the following best describes your employment status?" The response options provided are 1) not employed, 2) employed part-time, 3) employed full-time, 4) full-time student, and 5) other.

In the example, the use of the response option "other" is used to meet the requirement that categories be _____.

a. appropriate

b. exhaustive

c. mutually exclusive

d. of a single dimension

e. numeric

10.A codebook generally contains all of the following information except _____.

a.variable number

b.record number

c.code description

d.instructions for coding

e.variable name

11.Which of the following shapes best represents a normal distribution as it is depicted graphically?

a.Square

b.Bell

c.Triangle

d.Star

e.Hat

12.The difference between the smallest and the largest values in a distribution is the _____.

a.mean

b.median

c.mode

d.range

e.deviation

13.The median is an appropriate measure of central tendency for _____ data.

a. interval

b. ratio

c. ordinal

d. nominal

e. all of the above

14.The _____ is used to test the statistical significance of the observed association in cross-tabulation.

a.contingency coefficient

b.Cramer'sV

c.phi coefficient

d.chi-square coefficient

e.Z score

15. All of the following are contained in a frequency table except _____.

a.lowest value

b.percent

c.count

d.cumulative percent

e.quartile indicators

16.Which type of chart uses bars to represent data values such that each value occupies an equal amount of area within the enclosed area?

a.Bar chart

b.Pie chart

c.Histogram

d.Stem-and-leaf display

e.Line chart

17.What oversight has occurred in the following example? The price is reduced by 400% because it was $1 and is now just 25 cents.

a.use of too large percentages

b.percentage decreases can not exceed 100%

c.use of too small a base

d.averaging percentages

e.percentages cannot exceed 100%

18.The vertical axis on a histogram indicates the _____.

a.number of observations in each interval

b.midpoint for each interval

c.variable of interest

d.cumulative percent

e.valid percent

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

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

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

a.Parameter

b.Parametric

c.Nonparametric

d.Significance

e.Metric

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

a.Null

b.One-tailed

c.Two-tailed

d.Three-tailed

e.None of the above

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

Group of answer choices

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

23.Which of the following involves a test of two-independent samples?

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 ofSouthern LivingversesBetter 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