Question 1

How is the chi-square test different from previously considered statistical tests?

Accepted Answer

Unlike the previous statistical tests th

Question 2

Application of the chi-square test requires the computation of an ____________________ frequency for each cell of a contingency table under the assumption that the null hypothesis is true.

Accepted Answer

The answer of Application of the chi-square test requires the...

Question 3

When analyzing data from a 2?2 contingency table,a correction factor has been suggested so that _______.

Accepted Answer

A) the sampling distribution better approximates the chi-square distribution 
B) the power to reject the null increases 
C) the degrees of freedom are correct 
D) all of these 
A) the sampling distribution better approximates the chi-square distribution 
B) the power to reject the null increases 
C) the degrees of freedom are correct 
D) all of these

Question 4

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 5

In order to calculate an expected frequency for a given cell,you divide the total of the column (the column marginal frequency)in which it appears by the total number of observations and then multiply this by the total of the row (the row marginal frequency)in which the cell appears.

Accepted Answer

A) True 
 B)False

Question 6

If computed for all possible random samples of a given size,a sampling distribution of the chi-square statistic will closely approximate the theoretical distribution known as the ____________________ distribution.

Accepted Answer

The answer of If computed for all possible random samples...

Question 7

The sum of the frequencies in the corresponding row or column are referred to as:

Accepted Answer

A) observed frequencies 
B) marginal frequencies 
C) expected frequencies 
D) total frequencies 
A) observed frequencies 
B) marginal frequencies 
C) expected frequencies 
D) total frequencies

Question 8

What is the possible range of values for the fourfold point correlation coefficient/Cramer's statistic?

Accepted Answer

A) -1.00 to +1.00 
B) 0 to 1.00 
C) -1.00 to 0 
D) 0 to infinity 
A) -1.00 to +1.00 
B) 0 to 1.00 
C) -1.00 to 0 
D) 0 to infinity

Question 9

Discuss the concept of expected frequencies.

Accepted Answer

The logic underlying the chi-square test

Question 10

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 11

What is Fisher's Exact Test?

Accepted Answer

Methods other than the chi-square statis

Question 12

When the degrees of freedom of a chi-square statistic are small (for example,2),the shape of the sampling distribution will be _______.

Accepted Answer

A) extremely positively skewed 
B) highly negatively skewed 
C) very normal 
D) unknown 
A) extremely positively skewed 
B) highly negatively skewed 
C) very normal 
D) unknown

Question 13

Unlike the previous tests we have considered,the chi-square test analyzes the relationship between variables using frequency information.

Accepted Answer

A) True 
 B)False

Question 14

Conceptually,a large value of V indicates a tendency for particular categories of one variable to be associated with particular categories of the other variable.

Accepted Answer

A) True 
 B)False

Question 15

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 16

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 17

The chi-square test is typically used to analyze the relationship between two variables when:

Accepted Answer

A) both variables are quantitative in nature and are measured on a level that at least approximates interval characteristics 
B) there is an extremely small sample size 
C) the observations on each variable are within-subjects in nature 
D) none of these 
A) both variables are quantitative in nature and are measured on a level that at least approximates interval characteristics 
B) there is an extremely small sample size 
C) the observations on each variable are within-subjects in nature 
D) none of these

Question 18

Which of the following is an appropriate and viable approach to statistically analyzing the nature of the relationship for a statistically significant chi-square test?

Accepted Answer

A) Goodman's procedure 
B) Fisher's exact test 
C) modified Bonferroni procedure 
D) Cramer's statistic 
A) Goodman's procedure 
B) Fisher's exact test 
C) modified Bonferroni procedure 
D) Cramer's statistic

Question 19

Each unique combination of variables in a contingency table is referred to as a cell.

Accepted Answer

A) True 
 B)False

Question 20

Power tables can be used to determine the power associated with the chi-square test given the dimensions of the contingency table,the alpha level,the sample size,and the value of ____________________ statistic in the population.

Accepted Answer

The answer of Power tables can be used to determine...

How is the chi-square test different from previously considered statistical tests?

Application of the chi-square test requires the computation of an ____________________ frequency for each cell of a contingency table under the assumption that the null hypothesis is true.

When analyzing data from a 2?2 contingency table,a correction factor has been suggested so that _______.

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

In order to calculate an expected frequency for a given cell,you divide the total of the column (the column marginal frequency)in which it appears by the total number of observations and then multiply this by the total of the row (the row marginal frequency)in which the cell appears.

If computed for all possible random samples of a given size,a sampling distribution of the chi-square statistic will closely approximate the theoretical distribution known as the ____________________ distribution.

The sum of the frequencies in the corresponding row or column are referred to as:

What is the possible range of values for the fourfold point correlation coefficient/Cramer's statistic?

Discuss the concept of expected frequencies.

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

What is Fisher's Exact Test?

When the degrees of freedom of a chi-square statistic are small (for example,2),the shape of the sampling distribution will be _______.

Unlike the previous tests we have considered,the chi-square test analyzes the relationship between variables using frequency information.

Conceptually,a large value of V indicates a tendency for particular categories of one variable to be associated with particular categories of the other variable.

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.

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:

The chi-square test is typically used to analyze the relationship between two variables when:

Which of the following is an appropriate and viable approach to statistically analyzing the nature of the relationship for a statistically significant chi-square test?

Each unique combination of variables in a contingency table is referred to as a cell.

Power tables can be used to determine the power associated with the chi-square test given the dimensions of the contingency table,the alpha level,the sample size,and the value of ____________________ statistic in the population.

Introduction and Mathematical Preliminaries

Frequency and Probability Distributions

Percentiles percentile Ranks standard Scores and the Normal Distribution

Pearson Correlation and Regression: Descriptive Aspects

Measures of Central Tendency and Variability

Estimation and Sampling Distributions

Hypothesis Testing: Inferences About a Single Mean

Probability

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 15: Chi-Square Test

How is the chi-square test different from previously considered statistical tests?

Application of the chi-square test requires the computation of an ____________________ frequency for each cell of a contingency table under the assumption that the null hypothesis is true.

When analyzing data from a 2?2 contingency table,a correction factor has been suggested so that _______.

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

In order to calculate an expected frequency for a given cell,you divide the total of the column (the column marginal frequency)in which it appears by the total number of observations and then multiply this by the total of the row (the row marginal frequency)in which the cell appears.

If computed for all possible random samples of a given size,a sampling distribution of the chi-square statistic will closely approximate the theoretical distribution known as the ____________________ distribution.

The sum of the frequencies in the corresponding row or column are referred to as:

What is the possible range of values for the fourfold point correlation coefficient/Cramer's statistic?

Discuss the concept of expected frequencies.

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

What is Fisher's Exact Test?

When the degrees of freedom of a chi-square statistic are small (for example,2),the shape of the sampling distribution will be _______.

Unlike the previous tests we have considered,the chi-square test analyzes the relationship between variables using frequency information.

Conceptually,a large value of V indicates a tendency for particular categories of one variable to be associated with particular categories of the other variable.

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.

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:

The chi-square test is typically used to analyze the relationship between two variables when:

Which of the following is an appropriate and viable approach to statistically analyzing the nature of the relationship for a statistically significant chi-square test?

Each unique combination of variables in a contingency table is referred to as a cell.

Power tables can be used to determine the power associated with the chi-square test given the dimensions of the contingency table,the alpha level,the sample size,and the value of ____________________ statistic in the population.

Introduction and Mathematical Preliminaries

Frequency and Probability Distributions

Percentiles percentile Ranks standard Scores and the Normal Distribution

Pearson Correlation and Regression: Descriptive Aspects

Measures of Central Tendency and Variability

Estimation and Sampling Distributions

Hypothesis Testing: Inferences About a Single Mean

Probability

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