Exam 14: Chi-Square Test

When both of the variables under study have only two levels,the sampling distribution of the chi-square statistic corresponds more closely to a chi-square distribution than when one or both variables have more than two levels.

(True/False)

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Question 61

If people in a study on gender and political party identification were selected for participation without regard to gender or political party identification,the marginal frequencies for both of these variables would be free to vary,or random.

(True/False)

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Question 62

The basis of analysis for the chi-square test is a(n)_____ table (also called a frequency or crosstabulation table).

(Multiple Choice)

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Question 63

____________________ is a popular alternative to the chi-square test for testing the relationship between two variables in a 2x2 contingency table,when sample sizes are small.

(Short Answer)

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Question 64

The degrees of freedom for the chi-square statistic for the test of independence depends on the _____.

(Multiple Choice)

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Question 65

The alternative hypothesis in a chi-square test is _____.

(Multiple Choice)

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Question 66

Which of the following situations refers to a chi-square test of homogeneity?

(Multiple Choice)

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Question 67

Which of the following is the definition of the chi-square statistic?

(Multiple Choice)

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Question 68

c² (1,N = 200)= 12.89,p < .05. What is the value of the chi-square statistic?

(Multiple Choice)

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Question 69

Each unique combination of _ in a contingency table is referred to as a(n)_.

(Multiple Choice)

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Question 70

If a variable has been measured on a multi-valued quantitative scale,then creating categories and using a chi-square procedure will usually _____.

(Multiple Choice)

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Question 71

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

(Multiple Choice)

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Question 72

A researcher was interested in examining the relationship between gender (male and female)and car preference (SUV,sedan,or sports car).What type of table would be most appropriate for this data?

(Multiple Choice)

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Question 73

A modified Bonferroni procedure can be applied to pairwise comparisons between the proportions of observations in various cells of the contingency table to analyze the nature of the relationship between two qualitative variables.

(True/False)

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Question 74

The chi-square statistic is an index that reflects the overall difference between the observed and the expected frequencies.

(True/False)

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Question 75

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.

(Short Answer)

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Question 76

What are the assumptions of the chi-square test?

(Essay)

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Question 77

The chi-square test is based on the assumption that the expected frequency for each cell is nonzero.

(True/False)

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Question 78

As the degrees of freedom increase,the shape of the sampling distribution of the chi-square statistic will become more _____.

(Multiple Choice)

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Question 79

Yates' correction for continuity involves subtracting .5 from the absolute value of O_j - E_j before these quantities are squared,divided by E_j,and summed across cells.

(True/False)

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Question 80

Showing 61 - 80 of 145

When both of the variables under study have only two levels,the sampling distribution of the chi-square statistic corresponds more closely to a chi-square distribution than when one or both variables have more than two levels.

If people in a study on gender and political party identification were selected for participation without regard to gender or political party identification,the marginal frequencies for both of these variables would be free to vary,or random.

The basis of analysis for the chi-square test is a(n)_____ table (also called a frequency or crosstabulation table).

____________________ is a popular alternative to the chi-square test for testing the relationship between two variables in a 2x2 contingency table,when sample sizes are small.

The degrees of freedom for the chi-square statistic for the test of independence depends on the _____.

The alternative hypothesis in a chi-square test is _____.

Which of the following situations refers to a chi-square test of homogeneity?

Which of the following is the definition of the chi-square statistic?

c² (1,N = 200)= 12.89,p < .05. What is the value of the chi-square statistic?

Each unique combination of _ in a contingency table is referred to as a(n)_.

If a variable has been measured on a multi-valued quantitative scale,then creating categories and using a chi-square procedure will usually _____.

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

A researcher was interested in examining the relationship between gender (male and female)and car preference (SUV,sedan,or sports car).What type of table would be most appropriate for this data?

A modified Bonferroni procedure can be applied to pairwise comparisons between the proportions of observations in various cells of the contingency table to analyze the nature of the relationship between two qualitative variables.

The chi-square statistic is an index that reflects the overall difference between the observed and the expected frequencies.

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.

What are the assumptions of the chi-square test?

The chi-square test is based on the assumption that the expected frequency for each cell is nonzero.

As the degrees of freedom increase,the shape of the sampling distribution of the chi-square statistic will become more _____.

Yates' correction for continuity involves subtracting .5 from the absolute value of O_j - E_j before these quantities are squared,divided by E_j,and summed across cells.

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

When both of the variables under study have only two levels,the sampling distribution of the chi-square statistic corresponds more closely to a chi-square distribution than when one or both variables have more than two levels.

If people in a study on gender and political party identification were selected for participation without regard to gender or political party identification,the marginal frequencies for both of these variables would be free to vary,or random.

The basis of analysis for the chi-square test is a(n)_____ table (also called a frequency or crosstabulation table).

____________________ is a popular alternative to the chi-square test for testing the relationship between two variables in a 2x2 contingency table,when sample sizes are small.

The degrees of freedom for the chi-square statistic for the test of independence depends on the _____.

The alternative hypothesis in a chi-square test is _____.

Which of the following situations refers to a chi-square test of homogeneity?

Which of the following is the definition of the chi-square statistic?

c2 (1,N = 200)= 12.89,p < .05. What is the value of the chi-square statistic?

Each unique combination of _____ in a contingency table is referred to as a(n)_____.

If a variable has been measured on a multi-valued quantitative scale,then creating categories and using a chi-square procedure will usually _____.

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

A researcher was interested in examining the relationship between gender (male and female)and car preference (SUV,sedan,or sports car).What type of table would be most appropriate for this data?

A modified Bonferroni procedure can be applied to pairwise comparisons between the proportions of observations in various cells of the contingency table to analyze the nature of the relationship between two qualitative variables.

The chi-square statistic is an index that reflects the overall difference between the observed and the expected frequencies.

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.

What are the assumptions of the chi-square test?

The chi-square test is based on the assumption that the expected frequency for each cell is nonzero.

As the degrees of freedom increase,the shape of the sampling distribution of the chi-square statistic will become more _____.

Yates' correction for continuity involves subtracting .5 from the absolute value of Oj - Ej before these quantities are squared,divided by Ej,and summed across cells.

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

c² (1,N = 200)= 12.89,p < .05. What is the value of the chi-square statistic?

Each unique combination of _ in a contingency table is referred to as a(n)_.

Yates' correction for continuity involves subtracting .5 from the absolute value of O_j - E_j before these quantities are squared,divided by E_j,and summed across cells.