Question 1

The null hypothesis in the $\chi^{2}$ test for independence is

Accepted Answer

A) the data fit the expected frequencies. 
B) the data do not fit the expected frequencies. 
C) the variables are independent. 
D) the variables are dependent. 
A) the data fit the expected frequencies. 
B) the data do not fit the expected frequencies. 
C) the variables are independent. 
D) the variables are dependent. C

Question 2

When would we have to use the contingency coefficient formula over the phi coefficient formula?

Accepted Answer

Whenever we have a two-way chi square that is not a 2 x 2, we must use the contingency coefficient rather than the phi coefficient.

Question 3

If your $\chi_{o b t}^{2}$= 53.01 and N = 25, what is C?

Accepted Answer

C = $\sqrt{\frac{53.01}{53.01+25}}=0.824$

Question 4

A phi coefficient value of  ________suggests that the data are perfectly independent.

Accepted Answer

A) 0 
B) 1 
C) -1 
D) 10 
A) 0 
B) 1 
C) -1 
D) 10

Question 5

With chi-squared tests, we always have  ________-tailed tests with  ________regions) of rejection.

Accepted Answer

A) two; one 
B) one; two 
C) one; one 
D) two; two 
A) two; one 
B) one; two 
C) one; one 
D) two; two

Question 6

The Spearman correlation coefficient differs from the Pearson correlation coefficient in that only the Spearman correlation coefficient makes use of

Accepted Answer

A) ranked data. 
B) significance testing. 
C) ascertaining the strength of a relationship. 
D) a correlation coefficient value between -1 and 1. 
A) ranked data. 
B) significance testing. 
C) ascertaining the strength of a relationship. 
D) a correlation coefficient value between -1 and 1.

Question 7

If your $\phi$ $\chi_{o b t}^{2}$ = 25.77 and your N = 36, what is ?

Accepted Answer

The answer of If your $\phi$ $\chi_{o b t}^{2}$ =...

Question 8

Suppose you ask 100 people whether they like the taste of beer.Beer companies would like to claim 55% of the population like the taste of beer.In testing whether this sample represents such a population, what would the $f_{\mathrm{e}}$  
 values be for this study?

Accepted Answer

LIKE: @#LAT-DLM& = 5

Question 9

Nonparametric procedures are used instead of parametric procedures when

Accepted Answer

A) a more powerful test is needed. 
B) our data do not meet the assumptions of parametric procedures. 
C) our sample is relatively small. 
D) measurement is interval or ratio. 
A) a more powerful test is needed. 
B) our data do not meet the assumptions of parametric procedures. 
C) our sample is relatively small. 
D) measurement is interval or ratio.

Question 10

If you have a significant one-way chi square, note which graph should be used to present the data and why.

Accepted Answer

Because the X variable is nomi

Question 11

The $\chi^{2}$ sampling distribution contains

Accepted Answer

A) all possible values of $\chi^{2}$ occurring when $H_{0}$ is true. 
B) all possible values of $\chi^{2}$ occurring when $H_{a}$ is true. 
C) all possible observed frequencies for a given number of categories and a given N. 
D) all possible expected frequencies for a given number of categories and a given N. 
A) all possible values of $\chi^{2}$ occurring when $H_{0}$ is true. 
B) all possible values of $\chi^{2}$ occurring when $H_{a}$ is true. 
C) all possible observed frequencies for a given number of categories and a given N. 
D) all possible expected frequencies for a given number of categories and a given N.

Question 12

Suppose you conduct an experiment with 24 participants who are asked to respond to one of three categories.Your $\chi_{o b t}^{2}$ turns out to be 9.92, which is statistically significant.What is the correct way to report this finding?

Accepted Answer

@#LAT-DLM& =2, N = 2

Question 13

Which of the following violates the assumptions of the one-way $\chi^{2}$ ?

Accepted Answer

A) The independent variable is a categorical or nominal variable. 
B) Each subject is measured in every category. 
C) The computations are based on the responses of all subjects in the study. 
D) The $f_{e}$ in any category is equal to 5 or more. 
A) The independent variable is a categorical or nominal variable. 
B) Each subject is measured in every category. 
C) The computations are based on the responses of all subjects in the study. 
D) The $f_{e}$ in any category is equal to 5 or more.

Question 14

The ________ test is akin to the independent samples t-test.

Accepted Answer

A) Mann-Whitney 
B) Friedman 
C) Wilcoxon 
D) Kruskal-Wallis 
A) Mann-Whitney 
B) Friedman 
C) Wilcoxon 
D) Kruskal-Wallis

Question 15

The Wilcoxon test is akin to an)

Accepted Answer

A) related-samples t-test. 
B) one-way between-subjects ANOVA. 
C) one-way within-subjects ANOVA. 
D) independent-samples t-test. 
A) related-samples t-test. 
B) one-way between-subjects ANOVA. 
C) one-way within-subjects ANOVA. 
D) independent-samples t-test.

Question 16

A recent news report indicated out of 75 people polled, 35 men and 10 women had given the President a high approval rating, while 20 men and 10 women had given the President a low approval rating.Using a two-way $\chi^{2}$  
  test for independence, what is $\chi_{o b t}^{2}$ ?

Accepted Answer

Question 17

Suppose you've found a significant one-way chi square.What is the next step for you to do?

Accepted Answer

Unlike ANOVA, we do not perfor

Question 18

The two-way is a test of $\chi^{2}$

Accepted Answer

A) goodness of fit of observed frequencies to population frequencies. 
B) difference between mean ranks in two categories. 
C) whether two variables are independent. 
D) difference between mean ranks in more than two categories. 
A) goodness of fit of observed frequencies to population frequencies. 
B) difference between mean ranks in two categories. 
C) whether two variables are independent. 
D) difference between mean ranks in more than two categories.

Question 19

The null hypothesis in the $\chi^{2}$ test for goodness of fit is that

Accepted Answer

A) the data fit the expected frequencies. 
B) the data do not fit the expected frequencies. 
C) the variables are independent. 
D) the variables are dependent. 
A) the data fit the expected frequencies. 
B) the data do not fit the expected frequencies. 
C) the variables are independent. 
D) the variables are dependent.

Question 20

The ________ procedure corresponds to the Friedman ${X}^{2}$ ?

Accepted Answer

A) within-subjects ANOVA 
B) between-subjects ANOVA 
C) Pearson correlation coefficient 
D) regression 
A) within-subjects ANOVA 
B) between-subjects ANOVA 
C) Pearson correlation coefficient 
D) regression

The null hypothesis in the $\chi^{2}$ test for independence is

When would we have to use the contingency coefficient formula over the phi coefficient formula?

If your $\chi_{o b t}^{2}$ = 53.01 and N = 25, what is C?

A phi coefficient value of ________suggests that the data are perfectly independent.

With chi-squared tests, we always have -tailed tests with regions) of rejection.

The Spearman correlation coefficient differs from the Pearson correlation coefficient in that only the Spearman correlation coefficient makes use of

If your $\phi$ $\chi_{o b t}^{2}$ = 25.77 and your N = 36, what is ?

Suppose you ask 100 people whether they like the taste of beer.Beer companies would like to claim 55% of the population like the taste of beer.In testing whether this sample represents such a population, what would the $f_{\mathrm{e}}$ values be for this study?

Nonparametric procedures are used instead of parametric procedures when

If you have a significant one-way chi square, note which graph should be used to present the data and why.

The $\chi^{2}$ sampling distribution contains

Suppose you conduct an experiment with 24 participants who are asked to respond to one of three categories.Your $\chi_{o b t}^{2}$ turns out to be 9.92, which is statistically significant.What is the correct way to report this finding?

Which of the following violates the assumptions of the one-way $\chi^{2}$ ?

The ________ test is akin to the independent samples t-test.

The Wilcoxon test is akin to an)

A recent news report indicated out of 75 people polled, 35 men and 10 women had given the President a high approval rating, while 20 men and 10 women had given the President a low approval rating.Using a two-way $\chi^{2}$ test for independence, what is $\chi_{o b t}^{2}$ ?

Suppose you've found a significant one-way chi square.What is the next step for you to do?

The two-way is a test of $\chi^{2}$

The null hypothesis in the $\chi^{2}$ test for goodness of fit is that

The ________ procedure corresponds to the Friedman ${X}^{2}$ ?

Introduction to Statistics and Research

Creating and Using Frequency Distributions

Summarizing Scores With Measures of Central Tendency

Summarizing Scores With Measures of Variability

Describing Data With Z-Scores and the Normal Curve

Using Probability to Make Decisions About Data

Overview of Statistical Hypothesis Testing: the Z-Test

Hypothesis Testing Using the One-Sample T-Test

Hypothesis Testing Using the Two-Sample T-Test

Describing Relationships Using Correlation and Regression

Hypothesis Testing Using the One-Way Analysis of Variance

Understanding the Two-Way Analysis of Variance

Filters

Exam 13: Chi Square and Nonparametric Procedures

The null hypothesis in the χ2\chi^{2}χ2 test for independence is

When would we have to use the contingency coefficient formula over the phi coefficient formula?

If your χobt2\chi_{o b t}^{2}χobt2​ = 53.01 and N = 25, what is C?

A phi coefficient value of ________suggests that the data are perfectly independent.

With chi-squared tests, we always have ________-tailed tests with ________regions) of rejection.

The Spearman correlation coefficient differs from the Pearson correlation coefficient in that only the Spearman correlation coefficient makes use of

If your ϕ\phiϕ χobt2\chi_{o b t}^{2}χobt2​ = 25.77 and your N = 36, what is ?

Suppose you ask 100 people whether they like the taste of beer.Beer companies would like to claim 55% of the population like the taste of beer.In testing whether this sample represents such a population, what would the fef_{\mathrm{e}}fe​ values be for this study?

Nonparametric procedures are used instead of parametric procedures when

If you have a significant one-way chi square, note which graph should be used to present the data and why.

The χ2\chi^{2}χ2 sampling distribution contains

Suppose you conduct an experiment with 24 participants who are asked to respond to one of three categories.Your χobt2\chi_{o b t}^{2}χobt2​ turns out to be 9.92, which is statistically significant.What is the correct way to report this finding?

Which of the following violates the assumptions of the one-way χ2\chi^{2}χ2 ?

The ________ test is akin to the independent samples t-test.

The Wilcoxon test is akin to an)

A recent news report indicated out of 75 people polled, 35 men and 10 women had given the President a high approval rating, while 20 men and 10 women had given the President a low approval rating.Using a two-way χ2\chi^{2}χ2 test for independence, what is χobt2\chi_{o b t}^{2}χobt2​ ?

Suppose you've found a significant one-way chi square.What is the next step for you to do?

The two-way is a test of χ2\chi^{2}χ2

The null hypothesis in the χ2\chi^{2}χ2 test for goodness of fit is that

The ________ procedure corresponds to the Friedman X2{X}^{2}X2 ?

Introduction to Statistics and Research

Creating and Using Frequency Distributions

Summarizing Scores With Measures of Central Tendency

Summarizing Scores With Measures of Variability

Describing Data With Z-Scores and the Normal Curve

Using Probability to Make Decisions About Data

Overview of Statistical Hypothesis Testing: the Z-Test

Hypothesis Testing Using the One-Sample T-Test

Hypothesis Testing Using the Two-Sample T-Test

Describing Relationships Using Correlation and Regression

Hypothesis Testing Using the One-Way Analysis of Variance

Understanding the Two-Way Analysis of Variance

Filters

The null hypothesis in the $\chi^{2}$ test for independence is

If your $\chi_{o b t}^{2}$ = 53.01 and N = 25, what is C?

With chi-squared tests, we always have -tailed tests with regions) of rejection.

If your $\phi$ $\chi_{o b t}^{2}$ = 25.77 and your N = 36, what is ?

Suppose you ask 100 people whether they like the taste of beer.Beer companies would like to claim 55% of the population like the taste of beer.In testing whether this sample represents such a population, what would the $f_{\mathrm{e}}$ values be for this study?

The $\chi^{2}$ sampling distribution contains

Suppose you conduct an experiment with 24 participants who are asked to respond to one of three categories.Your $\chi_{o b t}^{2}$ turns out to be 9.92, which is statistically significant.What is the correct way to report this finding?

Which of the following violates the assumptions of the one-way $\chi^{2}$ ?

A recent news report indicated out of 75 people polled, 35 men and 10 women had given the President a high approval rating, while 20 men and 10 women had given the President a low approval rating.Using a two-way $\chi^{2}$ test for independence, what is $\chi_{o b t}^{2}$ ?

The two-way is a test of $\chi^{2}$

The null hypothesis in the $\chi^{2}$ test for goodness of fit is that

The ________ procedure corresponds to the Friedman ${X}^{2}$ ?