Question 1

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. C

Question 2

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 answer choices 
A)  shaped like any other normal curve. 
B)  not normally distributed. 
C)  bimodal. 
D)  All of the answer choices B

Question 3

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 answer choices 
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 answer choices D

Question 4

A researcher reports aχ 2(obtained) of 75.34 ( α=.05, df = 1,χ 2(critical) = 3.84, N = 13,678). The researcher claims that the relationship is extremely significant. What issue should be raised?

Accepted Answer

A)  Degrees of freedom are much too small for a sample this large. 
B)  Alpha is too low 
C)  Sample size is very large and the actual relationship between the variables might be trivial. 
D)  The value for χ 2 (critical) is much too low. 
A)  Degrees of freedom are much too small for a sample this large. 
B)  Alpha is too low 
C)  Sample size is very large and the actual relationship between the variables might be trivial. 
D)  The value for χ 2 (critical) is much too low.

Question 5

Is support for the proposed anti-smoking law related to political party affiliation? Use the five step model as a guide and write a sentence or two interpreting your results.

Accepted Answer

The answer of Is support for the proposed anti-smoking law...

Question 6

To calculate the expected frequencies for a chi square analysis, you need all but which of the following?

Accepted Answer

A)  number of cases in the table (N) 
B)  row marginals 
C)  observed frequencies 
D)  column marginals 
A)  number of cases in the table (N) 
B)  row marginals 
C)  observed frequencies 
D)  column marginals

Question 7

When cell frequencies are small and 2 x 2 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 answer choices 
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 answer choices

Question 8

The city council is considering a law that would ban smoking in all public facilities. A sample has been selected from the community and tested for support of the ordinance. Is there a statistically significant relationship between age and support for the anti-smoking law? Use the five step model as a guide and write a sentence or two interpreting your results.

Accepted Answer

The answer of The city council is considering a law...

Question 9

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 10

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 11

Which assumption about level of measurement is made for the Chi square test?

Accepted Answer

A)  All variables are at least ordinal in level of measurement. 
B)  All variables are at least interval-ratio in level of measurement. 
C)  All variables are nominal in level of measurement. 
D)  At least one variable must be ordinal in level of measurement. 
A)  All variables are at least ordinal in level of measurement. 
B)  All variables are at least interval-ratio in level of measurement. 
C)  All variables are nominal in level of measurement. 
D)  At least one variable must be ordinal in level of measurement.

Question 12

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 13

The row and column marginals for the expected frequencies are always ________ those of the observed frequencies.

Accepted Answer

A)  greater than 
B)  the same as 
C)  less than 
D)  different from 
A)  greater than 
B)  the same as 
C)  less than 
D)  different from

Question 14

In the chi square test of hypothesis, the null hypothesis states that the variables are________.

Accepted Answer

A)  dependent. 
B)  independent. 
C)  causally related. 
D)  non-random. 
A)  dependent. 
B)  independent. 
C)  causally related. 
D)  non-random.

Question 15

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 16

One limitation of the Chi square test (and all tests of hypothesis) is that they cannot tell us if relationships between variables are________.

Accepted Answer

A)  significant. 
B)  random. 
C)  by chance. 
D)  important. 
A)  significant. 
B)  random. 
C)  by chance. 
D)  important.

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

When studying the differences between male and female voting patterns in the 2016 election, what was found?

Accepted Answer

A)  Women favored Democratic candidates more than males, but not significantly so. 
B)  Women significantly favored Democratic candidates more than males. 
C)  Men favored Democratic candidates more than females, and the difference was significant. 
D)  There were no measurable differences between male and female voting preferences. 
A)  Women favored Democratic candidates more than males, but not significantly so. 
B)  Women significantly favored Democratic candidates more than males. 
C)  Men favored Democratic candidates more than females, and the difference was significant. 
D)  There were no measurable differences between male and female voting preferences.

Question 19

In the Chi square test for independence, the null hypothesis and the research hypothesis________.

Accepted Answer

A)  always contradict each other. 
B)  always agree with each other. 
C)  are never actually stated. 
D)  are usually both rejected. 
A)  always contradict each other. 
B)  always agree with each other. 
C)  are never actually stated. 
D)  are usually both rejected.

Question 20

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.

A bivariate table in which both variables have three categories has________.

The sampling distribution for chi squares is________.

Some potential difficulties arise in the chi square test when________.

A researcher reports aχ 2(obtained) of 75.34 ( α=.05, df = 1,χ 2(critical) = 3.84, N = 13,678). The researcher claims that the relationship is extremely significant. What issue should be raised?

Is support for the proposed anti-smoking law related to political party affiliation? Use the five step model as a guide and write a sentence or two interpreting your results.

To calculate the expected frequencies for a chi square analysis, you need all but which of the following?

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

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

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

Which assumption about level of measurement is made for the Chi square test?

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 row and column marginals for the expected frequencies are always ________ those of the observed frequencies.

In the chi square test of hypothesis, the null hypothesis states that the variables are________.

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

One limitation of the Chi square test (and all tests of hypothesis) is that they cannot tell us if relationships between variables are________.

If two variables are independent, the cell frequencies will be________.

When studying the differences between male and female voting patterns in the 2016 election, what was found?

In the Chi square test for independence, the null hypothesis and the research hypothesis________.

In the Chi square test, expected frequencies are computed by________.

Introduction

Basic Descriptive Statistics Tables Percentages Rates and Ratios and Graphs

Measures of Central Tendency

Measures of Variation

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 for Nominal and Ordinal Level Variables

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

A bivariate table in which both variables have three categories has________.

The sampling distribution for chi squares is________.

Some potential difficulties arise in the chi square test when________.

A researcher reports aχ 2(obtained) of 75.34 ( α=.05, df = 1,χ 2(critical) = 3.84, N = 13,678). The researcher claims that the relationship is extremely significant. What issue should be raised?

Is support for the proposed anti-smoking law related to political party affiliation? Use the five step model as a guide and write a sentence or two interpreting your results.

To calculate the expected frequencies for a chi square analysis, you need all but which of the following?

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

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

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

Which assumption about level of measurement is made for the Chi square test?

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 row and column marginals for the expected frequencies are always ________ those of the observed frequencies.

In the chi square test of hypothesis, the null hypothesis states that the variables are________.

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

One limitation of the Chi square test (and all tests of hypothesis) is that they cannot tell us if relationships between variables are________.

If two variables are independent, the cell frequencies will be________.

When studying the differences between male and female voting patterns in the 2016 election, what was found?

In the Chi square test for independence, the null hypothesis and the research hypothesis________.

In the Chi square test, expected frequencies are computed by________.

Introduction

Basic Descriptive Statistics Tables Percentages Rates and Ratios and Graphs

Measures of Central Tendency

Measures of Variation

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 for Nominal and Ordinal Level Variables

Association Between Variables Measured at the Interval Ratio Level

Elaborating Bivariate Tables

Partial Correlation and Multiple Regression and Correlation

Filters