Question 1

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

Accepted Answer

A) nonparametric 
B) goodness-of-fit 
C) F 
D) distribution-specific 
A) nonparametric 
B) goodness-of-fit 
C) F 
D) distribution-specific B

Question 2

Although the issue is controversial,statisticians generally recommend the use of the correction for continuity.

Accepted Answer

A) True 
 B)False  False

Question 3

The chi-square test is a parametric statistical test.

Accepted Answer

A) True 
 B)False  False

Question 4

Using Table J,what decision would you make if you observed a chi-square statistic was 36.08 and your sample size was 20?

Accepted Answer

A) p0 
B) p0 
C) p>.01,fail to reject H0 
D) need more information 
A) p0 
B) p0 
C) p>.01,fail to reject H0 
D) need more information

Question 5

Which of the following indices measure the strength of the relationship between two variables in a contingency table when both variables have three levels?

Accepted Answer

A) the phi coefficient 
B) Pearson correlation 
C) Cramer's statistic 
D) the fourfold point correlation coefficient 
A) the phi coefficient 
B) Pearson correlation 
C) Cramer's statistic 
D) the fourfold point correlation coefficient

Question 6

If subjects in a gender and political party identification study were selected for participation without regard to gender or political party identification,the marginal frequencies for both of these variables would be:

Accepted Answer

A) fixed 
B) constrained 
C) random 
D) unidentified 
A) fixed 
B) constrained 
C) random 
D) unidentified

Question 7

Why is it necessary to conduct follow-up tests in a chi square analysis in order to determine the nature of the relationship?

Accepted Answer

If the null hypothesis of no relationshi

Question 8

A researcher is interested in whether frequencies of ice cream preference are evenly distributed across the three categories of vanilla,chocolate,and strawberry.What is the chi-square goodness-of-fit value of the following data?

Accepted Answer

A) 0 
B) 5.99 
C) 25.71 
A) 0 
B) 5.99 
C) 25.71

Question 9

A correct example of a null hypothesis is stated: Ho: Gender and political party identification are unrelated in the sample.

Accepted Answer

A) True 
 B)False

Question 10

Conceptually,what are the "expected frequencies" telling us?

Accepted Answer

A) The mean of the participants scores on the variable of interest. 
B) The frequency that would be observed in each "cell" of the design if the null hypothesis were true. 
C) The frequency that would be observed in each "cell" of the design if the null hypothesis were false. 
D) the frequency of scores in the data collecteD. 
A) The mean of the participants scores on the variable of interest. 
B) The frequency that would be observed in each "cell" of the design if the null hypothesis were true. 
C) The frequency that would be observed in each "cell" of the design if the null hypothesis were false. 
D) the frequency of scores in the data collecteD.

Question 11

Marginal frequencies are the sums of the frequencies in the corresponding ____________________ or columns.

Accepted Answer

The answer of Marginal frequencies are the sums of the...

Question 12

Because of sampling error,a chi-square computed from sample data might be less than 0 even when the null hypothesis is true.

Accepted Answer

A) True 
 B)False

Question 13

c2 (1,N = 200)= 12.89,p < .05.
How many cells would be in a contingency table for this example?

Accepted Answer

A) 4 
B) 6 
C) 8 
D) cannot be determineD. 
A) 4 
B) 6 
C) 8 
D) cannot be determineD.

Question 14

A common use for the ____________________ test is to test whether frequencies in the population are evenly distributed across the categories under study.

Accepted Answer

The answer of A common use for the ____________________ test...

Question 15

The fourfold point correlation coefficient is used when _____.

Accepted Answer

A) one of the variables has three levels 
B) both of the variables have three or more levels 
C) the variables are ordinal in nature 
D) both variables have two levels each 
A) one of the variables has three levels 
B) both of the variables have three or more levels 
C) the variables are ordinal in nature 
D) both variables have two levels each

Question 16

Which of the following occurs when using Yates' correction procedure?

Accepted Answer

A) The power of the chi-square test increases. 
B) The degrees of freedom are further reduced. 
C) The power of the chi-square is reduced. 
D) None of these 
A) The power of the chi-square test increases. 
B) The degrees of freedom are further reduced. 
C) The power of the chi-square is reduced. 
D) None of these

Question 17

The entries within cells represent the number of individuals in the sample who are characterized by the corresponding levels of the variables and are referred to as marginal frequencies.

Accepted Answer

A) True 
 B)False

Question 18

Which level of measurement is appropriate for the independent and dependent variables when using a chi-square analysis?

Accepted Answer

A) nominal 
B) ordinal 
C) interval 
D) ratio 
A) nominal 
B) ordinal 
C) interval 
D) ratio

Question 19

The chi-square test is typically used to analyze the relationship between two variables when both variables are qualitative in nature (that is,measured on a nominal level).

Accepted Answer

A) True 
 B)False

Question 20

As the population value of Cramer's statistic increases,what happens to the sample size needed to achieve a desired power level?

Accepted Answer

A) The sample size requirement increases. 
B) The sample size requirement decreases. 
C) The sample size requirement is unchanged. 
D) Cannot be determined without looking at the table. 
A) The sample size requirement increases. 
B) The sample size requirement decreases. 
C) The sample size requirement is unchanged. 
D) Cannot be determined without looking at the table.

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

Although the issue is controversial,statisticians generally recommend the use of the correction for continuity.

The chi-square test is a parametric statistical test.

Using Table J,what decision would you make if you observed a chi-square statistic was 36.08 and your sample size was 20?

Which of the following indices measure the strength of the relationship between two variables in a contingency table when both variables have three levels?

If subjects in a gender and political party identification study were selected for participation without regard to gender or political party identification,the marginal frequencies for both of these variables would be:

Why is it necessary to conduct follow-up tests in a chi square analysis in order to determine the nature of the relationship?

A researcher is interested in whether frequencies of ice cream preference are evenly distributed across the three categories of vanilla,chocolate,and strawberry.What is the chi-square goodness-of-fit value of the following data?

A correct example of a null hypothesis is stated: H_o: Gender and political party identification are unrelated in the sample.

Conceptually,what are the "expected frequencies" telling us?

Marginal frequencies are the sums of the frequencies in the corresponding ____________________ or columns.

Because of sampling error,a chi-square computed from sample data might be less than 0 even when the null hypothesis is true.

c² (1,N = 200)= 12.89,p < .05. How many cells would be in a contingency table for this example?

A common use for the ____________________ test is to test whether frequencies in the population are evenly distributed across the categories under study.

The fourfold point correlation coefficient is used when _____.

Which of the following occurs when using Yates' correction procedure?

The entries within cells represent the number of individuals in the sample who are characterized by the corresponding levels of the variables and are referred to as marginal frequencies.

Which level of measurement is appropriate for the independent and dependent variables when using a chi-square analysis?

The chi-square test is typically used to analyze the relationship between two variables when both variables are qualitative in nature (that is,measured on a nominal level).

As the population value of Cramer's statistic increases,what happens to the sample size needed to achieve a desired power level?

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

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

Although the issue is controversial,statisticians generally recommend the use of the correction for continuity.

The chi-square test is a parametric statistical test.

Using Table J,what decision would you make if you observed a chi-square statistic was 36.08 and your sample size was 20?

Which of the following indices measure the strength of the relationship between two variables in a contingency table when both variables have three levels?

If subjects in a gender and political party identification study were selected for participation without regard to gender or political party identification,the marginal frequencies for both of these variables would be:

Why is it necessary to conduct follow-up tests in a chi square analysis in order to determine the nature of the relationship?

A researcher is interested in whether frequencies of ice cream preference are evenly distributed across the three categories of vanilla,chocolate,and strawberry.What is the chi-square goodness-of-fit value of the following data?

A correct example of a null hypothesis is stated: Ho: Gender and political party identification are unrelated in the sample.

Conceptually,what are the "expected frequencies" telling us?

Marginal frequencies are the sums of the frequencies in the corresponding ____________________ or columns.

Because of sampling error,a chi-square computed from sample data might be less than 0 even when the null hypothesis is true.

c2 (1,N = 200)= 12.89,p < .05. How many cells would be in a contingency table for this example?

A common use for the ____________________ test is to test whether frequencies in the population are evenly distributed across the categories under study.

The fourfold point correlation coefficient is used when _____.

Which of the following occurs when using Yates' correction procedure?

The entries within cells represent the number of individuals in the sample who are characterized by the corresponding levels of the variables and are referred to as marginal frequencies.

Which level of measurement is appropriate for the independent and dependent variables when using a chi-square analysis?

The chi-square test is typically used to analyze the relationship between two variables when both variables are qualitative in nature (that is,measured on a nominal level).

As the population value of Cramer's statistic increases,what happens to the sample size needed to achieve a desired power level?

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

A correct example of a null hypothesis is stated: H_o: Gender and political party identification are unrelated in the sample.

c² (1,N = 200)= 12.89,p < .05. How many cells would be in a contingency table for this example?