Question 1

If two variables are unrelated in the population,the population value of chi-square will equal 1.0.

Accepted Answer

A) True 
 B)False

Question 2

Recent studies have shown that Yates' correction of continuity should not be used,as it tends to reduce _____ with little gain over _____ control.

Accepted Answer

A) cell frequencies;standard error 
B) alpha levels;statistical 
C) statistical power;Type I error 
D) sample size;random error 
A) cell frequencies;standard error 
B) alpha levels;statistical 
C) statistical power;Type I error 
D) sample size;random error

Question 3

When scores on quantitative variables are collapsed into intervals,the power of the chi-square test is reduced relative to that of a parametric test.

Accepted Answer

A) True 
 B)False

Question 4

The alternative hypothesis for the chi-square test is _____ in nature.

Accepted Answer

A) directional 
B) nondirectional 
C) mathematical 
D) computational 
A) directional 
B) nondirectional 
C) mathematical 
D) computational

Question 5

The question addressed by the goodness-of-fit test is whether a distribution of frequencies across categories for a variable in a population are distributed in a specified manner.

Accepted Answer

A) True 
 B)False

Question 6

The chi-square goodness of fit test is a _____ test.

Accepted Answer

A) descriptive 
B) biased 
C) bivariate 
D) univariate 
A) descriptive 
B) biased 
C) bivariate 
D) univariate

Question 7

Cell frequencies are the sum of the frequencies in the corresponding row or column.

Accepted Answer

A) True 
 B)False

Question 8

Application of the chi-square test requires computation of a(n)_____ for each cell under the assumption of no relationship between the two variables.

Accepted Answer

A) expected frequency 
B) observed frequency 
C) mean 
D) standard error 
A) expected frequency 
B) observed frequency 
C) mean 
D) standard error

Question 9

When is Pearson correlation typically used to analyze the relationship between two variables?

Accepted Answer

The chi-square test is typically used to

Question 10

One of the assumptions of the chi-square test is that the expected frequency for each cell is:

Accepted Answer

A) zero 
B) nonzero 
C) independent 
D) random 
A) zero 
B) nonzero 
C) independent 
D) random

Question 11

Distinguish between the chi-square test of independence and the chi-square test of homogeneity.

Accepted Answer

When the marginal frequencies of both va

Question 12

Discuss the concept of expected frequencies.

Accepted Answer

The logic underlying the chi-square test

Question 13

The alternative hypothesis for chi-square test states that ______.

Accepted Answer

A) the two variables of interest are related in the population 
B) the two variables of interest are unrelated in the population 
C) the column frequencies equal the row frequencies 
D) the sum of the row and column frequencies equals the total frequency 
A) the two variables of interest are related in the population 
B) the two variables of interest are unrelated in the population 
C) the column frequencies equal the row frequencies 
D) the sum of the row and column frequencies equals the total frequency

Question 14

As degrees of freedom for the sampling distribution of the chi-square statistic decreases the sampling distribution becomes

Accepted Answer

A) more platykurtic. 
B) more skewed. 
C) more leptokurtiC. 
D) more normal in shape. 
A) more platykurtic. 
B) more skewed. 
C) more leptokurtiC. 
D) more normal in shape.

Question 15

The chi-square test is a nonparametric test designed to analyze relationships between variables using what type of information?

Accepted Answer

A) mean 
B) frequencies 
C) standard deviation 
D) mode 
A) mean 
B) frequencies 
C) standard deviation 
D) mode

Question 16

How is the strength of the relationship between two variables in a contingency table evaluated?

Accepted Answer

Probably the most common index of the st

Question 17

The following tables summarize responses and partial chi-square test results from a survey asking college students to respond to the following question: "Within the last 30 days,how often do you think the typical student at your school used alcohol?" Both men and women responded to this question.

Calculate the value for Cramer's statistic.

Accepted Answer

The answer of The following tables summarize responses and partial...

Question 18

As long as the _____ assumption is met,observed frequencies can be as low as _____.

Accepted Answer

A) homogeneity of variance;10 
B) normality;1.0 
C) observed frequency;0 
D) expected frequency;0 
A) homogeneity of variance;10 
B) normality;1.0 
C) observed frequency;0 
D) expected frequency;0

Question 19

The use of frequency information is predicated on the fact that the chi-square test is designed for use with _____ variables,and it is not appropriate to compute _____ for variables of this type.

Accepted Answer

A) quantitative;marginal frequencies 
B) quantitative;contingency tables 
C) qualitative;means 
D) qualitative;degrees of freedom 
A) quantitative;marginal frequencies 
B) quantitative;contingency tables 
C) qualitative;means 
D) qualitative;degrees of freedom

Question 20

When the marginal frequencies are random for one variable and fixed for the other,the analytical procedures are identical but the test is referred to as the chi-square test of heterogeneity.

Accepted Answer

A) True 
 B)False

If two variables are unrelated in the population,the population value of chi-square will equal 1.0.

Recent studies have shown that Yates' correction of continuity should not be used,as it tends to reduce _ with little gain over _ control.

When scores on quantitative variables are collapsed into intervals,the power of the chi-square test is reduced relative to that of a parametric test.

The alternative hypothesis for the chi-square test is _____ in nature.

The question addressed by the goodness-of-fit test is whether a distribution of frequencies across categories for a variable in a population are distributed in a specified manner.

The chi-square goodness of fit test is a _____ test.

Cell frequencies are the sum of the frequencies in the corresponding row or column.

Application of the chi-square test requires computation of a(n)_____ for each cell under the assumption of no relationship between the two variables.

When is Pearson correlation typically used to analyze the relationship between two variables?

One of the assumptions of the chi-square test is that the expected frequency for each cell is:

Distinguish between the chi-square test of independence and the chi-square test of homogeneity.

Discuss the concept of expected frequencies.

The alternative hypothesis for chi-square test states that ______.

As degrees of freedom for the sampling distribution of the chi-square statistic decreases the sampling distribution becomes

The chi-square test is a nonparametric test designed to analyze relationships between variables using what type of information?

How is the strength of the relationship between two variables in a contingency table evaluated?

As long as the _ assumption is met,observed frequencies can be as low as _.

The use of frequency information is predicated on the fact that the chi-square test is designed for use with _ variables,and it is not appropriate to compute _ for variables of this type.

When the marginal frequencies are random for one variable and fixed for the other,the analytical procedures are identical but the test is referred to as the chi-square test of heterogeneity.

Introduction and Mathematical Preliminaries

Frequency and Probability Distributions

Measures of Central Tendency and Variability

Percentiles,percentile Ranks,standard Scores,and the Normal Distribution

Pearson Correlation and Regression: Descriptive Aspects

Probability

Estimation and Sampling Distributions

Hypothesis Testing: Inferences About a Single Mean

Principles of Research Design and Statistical Preliminaries for Analyzing Bivariate Relationships

Independent Groups T-Test

Correlated Groups T-Test

One-Way Repeated Measures Analysis of Variance

Pearson Correlation and Regression: Inferential Aspects

Nonparametric Statistics

Two-Way Between-Subjects Analysis of Variance

Overview and Extension: Statistical Tests for More Complex Designs

Filters

Exam 14: Chi-Square Test

If two variables are unrelated in the population,the population value of chi-square will equal 1.0.

Recent studies have shown that Yates' correction of continuity should not be used,as it tends to reduce _____ with little gain over _____ control.

When scores on quantitative variables are collapsed into intervals,the power of the chi-square test is reduced relative to that of a parametric test.

The alternative hypothesis for the chi-square test is _____ in nature.

The question addressed by the goodness-of-fit test is whether a distribution of frequencies across categories for a variable in a population are distributed in a specified manner.

The chi-square goodness of fit test is a _____ test.

Cell frequencies are the sum of the frequencies in the corresponding row or column.

Application of the chi-square test requires computation of a(n)_____ for each cell under the assumption of no relationship between the two variables.

When is Pearson correlation typically used to analyze the relationship between two variables?

One of the assumptions of the chi-square test is that the expected frequency for each cell is:

Distinguish between the chi-square test of independence and the chi-square test of homogeneity.

Discuss the concept of expected frequencies.

The alternative hypothesis for chi-square test states that ______.

As degrees of freedom for the sampling distribution of the chi-square statistic decreases the sampling distribution becomes

The chi-square test is a nonparametric test designed to analyze relationships between variables using what type of information?

How is the strength of the relationship between two variables in a contingency table evaluated?

As long as the _____ assumption is met,observed frequencies can be as low as _____.

The use of frequency information is predicated on the fact that the chi-square test is designed for use with _____ variables,and it is not appropriate to compute _____ for variables of this type.

When the marginal frequencies are random for one variable and fixed for the other,the analytical procedures are identical but the test is referred to as the chi-square test of heterogeneity.

Introduction and Mathematical Preliminaries

Frequency and Probability Distributions

Measures of Central Tendency and Variability

Percentiles,percentile Ranks,standard Scores,and the Normal Distribution

Pearson Correlation and Regression: Descriptive Aspects

Probability

Estimation and Sampling Distributions

Hypothesis Testing: Inferences About a Single Mean

Principles of Research Design and Statistical Preliminaries for Analyzing Bivariate Relationships

Independent Groups T-Test

Correlated Groups T-Test

One-Way Repeated Measures Analysis of Variance

Pearson Correlation and Regression: Inferential Aspects

Nonparametric Statistics

Two-Way Between-Subjects Analysis of Variance

Overview and Extension: Statistical Tests for More Complex Designs

Filters

Recent studies have shown that Yates' correction of continuity should not be used,as it tends to reduce _ with little gain over _ control.

As long as the _ assumption is met,observed frequencies can be as low as _.

The use of frequency information is predicated on the fact that the chi-square test is designed for use with _ variables,and it is not appropriate to compute _ for variables of this type.