Question 1

When cell frequencies are small and 2x2 tables are used in the chi square test,an adjustment to the value of chi square can be made by applying

Accepted Answer

A) Yate's correction for continuity. 
B) a different value to the expected frequencies. 
C) a different value to the observed frequencies. 
D) any of the above 
A) Yate's correction for continuity. 
B) a different value to the expected frequencies. 
C) a different value to the observed frequencies. 
D) any of the above

Question 2

According to the theory presented in the text,which social class should have the strongest support for obedience as a goal of socialization?

Accepted Answer

A) the working class 
B) the middle class 
C) the upper class 
D) the upper-upper class (the "super rich") 
A) the working class 
B) the middle class 
C) the upper class 
D) the upper-upper class (the "super rich")

Question 3

Cell frequencies computed under the assumption that the null hypothesis is true are called

Accepted Answer

A) observed frequencies. 
B) experimental frequencies. 
C) expected frequencies. 
D) random frequencies. 
A) observed frequencies. 
B) experimental frequencies. 
C) expected frequencies. 
D) random frequencies.

Question 4

A Chi square test has been conducted to assess the relationship between marital status and church attendance.The obtained Chi square is 23.45 and the critical Chi square is 9.488.What may be concluded?

Accepted Answer

A) reject the null hypothesis,church attendance and marital status are dependent 
B) reject the null hypothesis,church attendance and marital status are independent 
C) fail to reject the null hypothesis,church attendance and marital status are dependent 
D) fail to reject the null hypothesis,church attendance and marital status are independent 
A) reject the null hypothesis,church attendance and marital status are dependent 
B) reject the null hypothesis,church attendance and marital status are independent 
C) fail to reject the null hypothesis,church attendance and marital status are dependent 
D) fail to reject the null hypothesis,church attendance and marital status are independent

Question 5

The chi square goodness-of-fit test can be used when

Accepted Answer

A) degrees of freedom are less than one. 
B) column percentages are equal. 
C) sample size is very large. 
D) the distribution of a single variable must be tested for significance. 
A) degrees of freedom are less than one. 
B) column percentages are equal. 
C) sample size is very large. 
D) the distribution of a single variable must be tested for significance.

Question 6

To conduct a chi square test,the variables must first be organized into

Accepted Answer

A) a univariate table. 
B) a bivariate table. 
C) a list,which is then ranked. 
D) frequency distributions. 
A) a univariate table. 
B) a bivariate table. 
C) a list,which is then ranked. 
D) frequency distributions.

Question 7

In the Chi square test for independence,the research hypothesis is

Accepted Answer

A) always one-tailed. 
B) the variables are dependent. 
C) the variables are independent. 
D) expected frequencies are greater than observed frequencies. 
A) always one-tailed. 
B) the variables are dependent. 
C) the variables are independent. 
D) expected frequencies are greater than observed frequencies.

Question 8

For the chi square test using very large samples,there may be a difference between

Accepted Answer

A) randomness and independence. 
B) expected and calculated frequencies. 
C) statistical significance and importance. 
D) dependent variables and dependent relationships. 
A) randomness and independence. 
B) expected and calculated frequencies. 
C) statistical significance and importance. 
D) dependent variables and dependent relationships.

Question 9

Some potential difficulties arise in the chi square test when

Accepted Answer

A) sample size is small. 
B) sample size is very large. 
C) many cells have expected frequencies of five or less. 
D) all of the above 
A) sample size is small. 
B) sample size is very large. 
C) many cells have expected frequencies of five or less. 
D) all of the above

Question 10

The sampling distribution for chi squares is

Accepted Answer

A) shaped like any other normal curve. 
B) not normally distributed. 
C) bimodal. 
D) all of the above 
A) shaped like any other normal curve. 
B) not normally distributed. 
C) bimodal. 
D) all of the above

Question 11

Yate's correction for small sample size

Accepted Answer

A) reduces the value of the difference between fo and fe by .5 before squaring. 
B) increases the value of the difference between fo and fe by .5 before squaring. 
C) reduces the degrees of freedom by one half. 
D) increases the degrees of freedom by one half. 
A) reduces the value of the difference between fo and fe by .5 before squaring. 
B) increases the value of the difference between fo and fe by .5 before squaring. 
C) reduces the degrees of freedom by one half. 
D) increases the degrees of freedom by one half.

Question 12

Unlike other tests of significance,Chi square easily handles situations in which

Accepted Answer

A) the variables of interest have more than two categories or scores. 
B) the variables of interest have less than two categories or scores. 
C) variables are all ordinal in level of measurement. 
D) degrees of freedom exceed 100. 
A) the variables of interest have more than two categories or scores. 
B) the variables of interest have less than two categories or scores. 
C) variables are all ordinal in level of measurement. 
D) degrees of freedom exceed 100.

Question 13

Unlike the chi square test of independence,in the chi square goodness of fit test,the expected frequencies are

Accepted Answer

A) not used. 
B) computed. 
C) determined from the null hypothesis. 
D) the same as the observed frequencies. 
A) not used. 
B) computed. 
C) determined from the null hypothesis. 
D) the same as the observed frequencies.

Question 14

In the Chi square test,expected frequencies are computed by

Accepted Answer

A) adding the observed frequency to N and subtracting the number of cells. 
B) multiplying the observed frequencies by the row marginals and dividing by degrees of freedom. 
C) multiplying the proper row and column marginals for each cell and dividing by N. 
D) adding the proper row and column marginals together and dividing by N. 
A) adding the observed frequency to N and subtracting the number of cells. 
B) multiplying the observed frequencies by the row marginals and dividing by degrees of freedom. 
C) multiplying the proper row and column marginals for each cell and dividing by N. 
D) adding the proper row and column marginals together and dividing by N.

Question 15

In a 2x2 table,if one cell frequency is known,

Accepted Answer

A) all other cell frequencies are determined. 
B) two other cell frequencies are determined. 
C) one other cell frequency is determined. 
D) none of the other cell frequencies is determineD. 
A) all other cell frequencies are determined. 
B) two other cell frequencies are determined. 
C) one other cell frequency is determined. 
D) none of the other cell frequencies is determineD.

Question 16

According to the theory presented in the text,which social class should have the strongest support for independent thinking as a goal of socialization?

Accepted Answer

A) people lower in class 
B) people higher in class 
C) rural dwellers 
D) the upper-upper class (the "super rich") 
A) people lower in class 
B) people higher in class 
C) rural dwellers 
D) the upper-upper class (the "super rich")

Question 17

If two variables are independent,the cell frequencies will be

Accepted Answer

A) exactly the same. 
B) concentrated in only two of the cells. 
C) less than the expected frequencies. 
D) determined by random chance. 
A) exactly the same. 
B) concentrated in only two of the cells. 
C) less than the expected frequencies. 
D) determined by random chance.

Question 18

A bivariate table in which both variables have three categories has

Accepted Answer

A) three cells. 
B) six cells. 
C) nine cells. 
D) thirty-three cells. 
A) three cells. 
B) six cells. 
C) nine cells. 
D) thirty-three cells.

Question 19

For Chi square,a small sample is one in which

Accepted Answer

A) many expected frequencies are less than 5. 
B) many observed frequencies are less than 5. 
C) N is less than 100. 
D) N is less than 50. 
A) many expected frequencies are less than 5. 
B) many observed frequencies are less than 5. 
C) N is less than 100. 
D) N is less than 50.

Question 20

If Chi square obtained has a negative value,

Accepted Answer

A) an arithmetic error has been made. 
B) a one-tailed test is called for. 
C) the row and column variables must be switched. 
D) the null hypothesis must be rejecteD. 
A) an arithmetic error has been made. 
B) a one-tailed test is called for. 
C) the row and column variables must be switched. 
D) the null hypothesis must be rejecteD.

When cell frequencies are small and 2x2 tables are used in the chi square test,an adjustment to the value of chi square can be made by applying

According to the theory presented in the text,which social class should have the strongest support for obedience as a goal of socialization?

Cell frequencies computed under the assumption that the null hypothesis is true are called

A Chi square test has been conducted to assess the relationship between marital status and church attendance.The obtained Chi square is 23.45 and the critical Chi square is 9.488.What may be concluded?

The chi square goodness-of-fit test can be used when

To conduct a chi square test,the variables must first be organized into

In the Chi square test for independence,the research hypothesis is

For the chi square test using very large samples,there may be a difference between

Some potential difficulties arise in the chi square test when

The sampling distribution for chi squares is

Yate's correction for small sample size

Unlike other tests of significance,Chi square easily handles situations in which

Unlike the chi square test of independence,in the chi square goodness of fit test,the expected frequencies are

In the Chi square test,expected frequencies are computed by

In a 2x2 table,if one cell frequency is known,

According to the theory presented in the text,which social class should have the strongest support for independent thinking as a goal of socialization?

If two variables are independent,the cell frequencies will be

A bivariate table in which both variables have three categories has

For Chi square,a small sample is one in which

If Chi square obtained has a negative value,

Introduction

Basic Descriptive Statistics: Percentages, Ratios and Rates, Tables, Charts and Graphs

Measures of Central Tendency

Measures of Dispersion

The Normal Curve

Introduction to Inferential Statistics: Sampling and the Sampling Distribution

Estimation Procedures

Hypothesis Testing I: the One-Sample Case

Hypothesis Testing II: the Two-Sample Case

Hypothesis Testing III: the Analysis of Variance

Bivariate Association: Introduction and Basic Concepts

Association Between Variables Measured at the Nominal Level

Association Between Variables Measured at the Ordinal Level

Association Between Variables Measured at the Interval-Ratio Level

Elaborating Bivariate Tables

Partial Correlation and Multiple Regression and Correlation

Filters

Exam 11: Hypothesis Testing Iv: Chi Square

When cell frequencies are small and 2x2 tables are used in the chi square test,an adjustment to the value of chi square can be made by applying

According to the theory presented in the text,which social class should have the strongest support for obedience as a goal of socialization?

Cell frequencies computed under the assumption that the null hypothesis is true are called

A Chi square test has been conducted to assess the relationship between marital status and church attendance.The obtained Chi square is 23.45 and the critical Chi square is 9.488.What may be concluded?

The chi square goodness-of-fit test can be used when

To conduct a chi square test,the variables must first be organized into

In the Chi square test for independence,the research hypothesis is

For the chi square test using very large samples,there may be a difference between

Some potential difficulties arise in the chi square test when

The sampling distribution for chi squares is

Yate's correction for small sample size

Unlike other tests of significance,Chi square easily handles situations in which

Unlike the chi square test of independence,in the chi square goodness of fit test,the expected frequencies are

In the Chi square test,expected frequencies are computed by

In a 2x2 table,if one cell frequency is known,

According to the theory presented in the text,which social class should have the strongest support for independent thinking as a goal of socialization?

If two variables are independent,the cell frequencies will be

A bivariate table in which both variables have three categories has

For Chi square,a small sample is one in which

If Chi square obtained has a negative value,

Introduction

Basic Descriptive Statistics: Percentages, Ratios and Rates, Tables, Charts and Graphs

Measures of Central Tendency

Measures of Dispersion

The Normal Curve

Introduction to Inferential Statistics: Sampling and the Sampling Distribution

Estimation Procedures

Hypothesis Testing I: the One-Sample Case

Hypothesis Testing II: the Two-Sample Case

Hypothesis Testing III: the Analysis of Variance

Bivariate Association: Introduction and Basic Concepts

Association Between Variables Measured at the Nominal Level

Association Between Variables Measured at the Ordinal Level

Association Between Variables Measured at the Interval-Ratio Level

Elaborating Bivariate Tables

Partial Correlation and Multiple Regression and Correlation

Filters