Exam 14: Chi-Square Test

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. Complete the table above for the computation of the chi-square statistic and calculate the value of chi-square.

(Essay)

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Question 41

The null hypothesis for a chi-square test states that the variables of interest are unrelated in the population,while the alternative hypothesis states that there is a relationship between the two variables in the population.

(True/False)

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Question 42

For the chi-square goodness-of-fit test,statisticians recommend that the lowest _____ frequency of any cell be between 5 and 10 in a 2X2 table and 5 in larger tables.

(Multiple Choice)

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Question 43

A researcher is interested in whether or not domestic violence occurs in the same proportion in families of alcoholics as it does in the population in general.If the relative frequency of domestic violence in the population is .05 and the relative frequency of no domestic violence in the population is .95,what is the chi-square goodness-of-fit value for the following data?

(Multiple Choice)

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Question 44

What is Fisher's Exact Test?

(Essay)

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Question 45

There are different chi-square distributions depending on the _____ associated with them.

(Multiple Choice)

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Question 46

Which of the following is the appropriate way to report a chi-square statistic in a research report?

(Multiple Choice)

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Question 47

One of the assumptions of the chi-square test is that the expected frequencies be no lower than approximately 5.Which of the following is a strategy to ensure that this assumption is met?

(Multiple Choice)

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Question 48

A chi-square test may be used to analyze the relationship between two variables when ______.

(Multiple Choice)

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Question 49

If two variables are unrelated in the population,the _ value of chi-square will equal _ a.sample;0

(Multiple Choice)

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Question 50

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

(True/False)

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Question 51

The test of the chi-square statistic applies to the data as a whole and provides _____ as to which cells are causing rejection of H₀.

(Multiple Choice)

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Question 52

As the observed and expected frequencies become more dissimilar,then we are more likely to ______.

(Multiple Choice)

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Question 53

The interpretation of the obtained value for the fourfold point correlation coefficient/Cramer's statistic is similar to _____.

(Multiple Choice)

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Question 54

As the discrepancy between the observed and expected frequencies becomes larger,the magnitude of the chi-square statistic ______.

(Multiple Choice)

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Question 55

For the chi-square goodness-of-fit test,statisticians generally recommend that the lowest expected frequency of any category be somewhere between 5 and 10 if only two categories are involved and about 5 if more than two categories are involved.

(True/False)

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Question 56

There are different chi-square distributions depending on the degrees of freedom associated with them.

(True/False)

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Question 57

The assignment of one variable as the row variable and the other variable as the column variable in a contingency table is arbitrary.

(True/False)

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Question 58

The fourfold point correlation coefficient and Cramér's statistic can range from -1.00 to 1.00.

(True/False)

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Question 59

The logic underlying the chi-square test focuses on the concept of expected frequencies and how they compare to observed frequencies.

(True/False)

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Question 60

Showing 41 - 60 of 145

The null hypothesis for a chi-square test states that the variables of interest are unrelated in the population,while the alternative hypothesis states that there is a relationship between the two variables in the population.

For the chi-square goodness-of-fit test,statisticians recommend that the lowest _____ frequency of any cell be between 5 and 10 in a 2X2 table and 5 in larger tables.

What is Fisher's Exact Test?

There are different chi-square distributions depending on the _____ associated with them.

Which of the following is the appropriate way to report a chi-square statistic in a research report?

One of the assumptions of the chi-square test is that the expected frequencies be no lower than approximately 5.Which of the following is a strategy to ensure that this assumption is met?

A chi-square test may be used to analyze the relationship between two variables when ______.

If two variables are unrelated in the population,the _ value of chi-square will equal _ a.sample;0

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

The test of the chi-square statistic applies to the data as a whole and provides _____ as to which cells are causing rejection of H₀.

As the observed and expected frequencies become more dissimilar,then we are more likely to ______.

The interpretation of the obtained value for the fourfold point correlation coefficient/Cramer's statistic is similar to _____.

As the discrepancy between the observed and expected frequencies becomes larger,the magnitude of the chi-square statistic ______.

For the chi-square goodness-of-fit test,statisticians generally recommend that the lowest expected frequency of any category be somewhere between 5 and 10 if only two categories are involved and about 5 if more than two categories are involved.

There are different chi-square distributions depending on the degrees of freedom associated with them.

The assignment of one variable as the row variable and the other variable as the column variable in a contingency table is arbitrary.

The fourfold point correlation coefficient and Cramér's statistic can range from -1.00 to 1.00.

The logic underlying the chi-square test focuses on the concept of expected frequencies and how they compare to observed frequencies.

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 null hypothesis for a chi-square test states that the variables of interest are unrelated in the population,while the alternative hypothesis states that there is a relationship between the two variables in the population.

For the chi-square goodness-of-fit test,statisticians recommend that the lowest _____ frequency of any cell be between 5 and 10 in a 2X2 table and 5 in larger tables.

What is Fisher's Exact Test?

There are different chi-square distributions depending on the _____ associated with them.

Which of the following is the appropriate way to report a chi-square statistic in a research report?

One of the assumptions of the chi-square test is that the expected frequencies be no lower than approximately 5.Which of the following is a strategy to ensure that this assumption is met?

A chi-square test may be used to analyze the relationship between two variables when ______.

If two variables are unrelated in the population,the _____ value of chi-square will equal _____ a.sample;0

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

The test of the chi-square statistic applies to the data as a whole and provides _____ as to which cells are causing rejection of H0.

As the observed and expected frequencies become more dissimilar,then we are more likely to ______.

The interpretation of the obtained value for the fourfold point correlation coefficient/Cramer's statistic is similar to _____.

As the discrepancy between the observed and expected frequencies becomes larger,the magnitude of the chi-square statistic ______.

For the chi-square goodness-of-fit test,statisticians generally recommend that the lowest expected frequency of any category be somewhere between 5 and 10 if only two categories are involved and about 5 if more than two categories are involved.

There are different chi-square distributions depending on the degrees of freedom associated with them.

The assignment of one variable as the row variable and the other variable as the column variable in a contingency table is arbitrary.

The fourfold point correlation coefficient and Cramér's statistic can range from -1.00 to 1.00.

The logic underlying the chi-square test focuses on the concept of expected frequencies and how they compare to observed frequencies.

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

If two variables are unrelated in the population,the _ value of chi-square will equal _ a.sample;0

The test of the chi-square statistic applies to the data as a whole and provides _____ as to which cells are causing rejection of H₀.