Question 1

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 C

Question 2

In the Chi square test,degrees of freedom are

Accepted Answer

A) N - 1. 
B) N1 + N2 - 2. 
C) (r + 1)(c + 1). 
D) (r - 1)(c - 1). 
A) N - 1. 
B) N1 + N2 - 2. 
C) (r + 1)(c + 1). 
D) (r - 1)(c - 1). D

Question 3

The popularity of the Chi Square test is largely due to

Accepted Answer

A) easy computations. 
B) the fact that it can be computed only for interval-ratio level variables. 
C) the need to assume a normal sampling distribution. 
D) the relative ease with which the model assumptions can be satisfieD. 
A) easy computations. 
B) the fact that it can be computed only for interval-ratio level variables. 
C) the need to assume a normal sampling distribution. 
D) the relative ease with which the model assumptions can be satisfieD. D

Question 4

A researcher reports that her obtained chi square of -17.56 is significant because it exceeds the critical Chi square of -3.841 for an alpha of .05 with 2 degrees of freedom.What mistake has been made?

Accepted Answer

A) neither critical nor obtained Chi squares can have negative values 
B) it is impossible to have only 2 degrees of freedom 
C) it is impossible for obtained Chi square to exceed 10 
D) a one-tailed test should have been used 
A) neither critical nor obtained Chi squares can have negative values 
B) it is impossible to have only 2 degrees of freedom 
C) it is impossible for obtained Chi square to exceed 10 
D) a one-tailed test should have been used

Question 5

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 6

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.
 $\begin{array}{|l|l|l|l|l|}
\hline & & \text { Age } & & \
\hline & & \text { Less than } 40 & \text { More than } 40 & \
\hline \text { Support: } & \text { For } & 145 & 78 & 223 \
\hline & \text { Against } & 103 & 169 & 272 \
\hline & & 248 & 247 & 495 \
\hline & & & & \

\end{array}$

Accepted Answer

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

Question 7

The chi square test is frequently used because it is relatively easy to satisfy the model assumptions (step 1 of the five-step model).These assumptions require,in the case of chi square,

Accepted Answer

A) a normal population distribution. 
B) no assumption about the shape of the sampling distribution. 
C) expected frequencies of equal value. 
D) a difference in expected and observed frequencies. 
A) a normal population distribution. 
B) no assumption about the shape of the sampling distribution. 
C) expected frequencies of equal value. 
D) a difference in expected and observed frequencies.

Question 8

Chi square is used to test relationships for their

Accepted Answer

A) empirical importance. 
B) logical importance. 
C) statistical significance. 
D) theoretical importance. 
A) empirical importance. 
B) logical importance. 
C) statistical significance. 
D) theoretical importance.

Question 9

The Chi square test is based on the assumption that

Accepted Answer

A) the variables are dependent. 
B) the expected frequencies are not produced by random chance. 
C) samples are non-random. 
D) the null hypothesis is true. 
A) the variables are dependent. 
B) the expected frequencies are not produced by random chance. 
C) samples are non-random. 
D) the null hypothesis is true.

Question 10

In a 2x2 table,all cell frequencies are exactly the same.This is consistent with which of the following conditions?

Accepted Answer

A) the variables are both continuous 
B) the sample is a cluster sample 
C) the variables are independent 
D) the variables are dependent 
A) the variables are both continuous 
B) the sample is a cluster sample 
C) the variables are independent 
D) the variables are dependent

Question 11

A test of the relationship between social class and socialization values was reported in the text.Which of the following was a result of this test?

Accepted Answer

A) socialization values and social class are independent of each other 
B) people from the higher classes were more likely to stress thinking for yourself 
C) people from all social classes strongly endorsed obedience as an essential goal of socialization 
D) only people from the highest social classes gave any support at all to independent thinking as an important socialization goal 
A) socialization values and social class are independent of each other 
B) people from the higher classes were more likely to stress thinking for yourself 
C) people from all social classes strongly endorsed obedience as an essential goal of socialization 
D) only people from the highest social classes gave any support at all to independent thinking as an important socialization goal

Question 12

A test of the relationship between social class and socialization values was reported in the text.Which of the following was a result of this test?

Accepted Answer

A) socialization values are much stronger in the middle class 
B) although the relationships are not significant,the pattern of percentages in the table generally conform to theoretical expectations 
C) socialization values increase as class increases 
D) people in the lowest classes were overwhelmingly supportive of obedience as a socialization value. 
A) socialization values are much stronger in the middle class 
B) although the relationships are not significant,the pattern of percentages in the table generally conform to theoretical expectations 
C) socialization values increase as class increases 
D) people in the lowest classes were overwhelmingly supportive of obedience as a socialization value.

Question 13

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.
 $\begin{array}{|l|l|l|l|l|l|}
\hline &&\text { Party }\
\hline && \text { Democrat } & \text { Indepenclent } & \text { Republican } \
\hline  \text { Suppat }&\text { In Favor } & 36 & 23 & 17 & 76 \
\hline&  \text { Neutral } & 20 & 17 & 16 & 53 \
\hline & \text { Opposed } & 10 & 18 & 36 & 64 \
\hline && 66 & 58 & 69 & 193 \
\hline
\end{array}$

Accepted Answer

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

Question 14

Chi square has been used to test the relationship between gender and support for abortion.The null hypothesis has been rejected.What may be concluded?

Accepted Answer

A) support for abortion depends on gender 
B) gender and support for abortion are not related 
C) females are more supportive of abortion 
D) males are more supportive of abortion 
A) support for abortion depends on gender 
B) gender and support for abortion are not related 
C) females are more supportive of abortion 
D) males are more supportive of abortion

Question 15

A researcher reports a c2 (obtained)of 75.34 (a =.05,df = 1,c2 (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 c2 (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 c2 (critical)is much too low

Question 16

Unlike other tests of significance,chi square is based on

Accepted Answer

A) a bivariate table. 
B) means as well as proportions. 
C) continuous variables only. 
D) ordinal-level variables only. 
A) a bivariate table. 
B) means as well as proportions. 
C) continuous variables only. 
D) ordinal-level variables only.

Question 17

A problem with large samples in the chi square test is that the test statistic

Accepted Answer

A) increases at the same rate as sample size and trivial relationships may seem important. 
B) decreases as sample size increases and may cause Type I errors. 
C) fluctuates so much that the results are completely unreliable. 
D) is always elevated above the neutral area. 
A) increases at the same rate as sample size and trivial relationships may seem important. 
B) decreases as sample size increases and may cause Type I errors. 
C) fluctuates so much that the results are completely unreliable. 
D) is always elevated above the neutral area.

Question 18

For the chi square goodness-of-fit test,the null hypothesis would be that

Accepted Answer

A) the variables are independent. 
B) the variables are dependent. 
C) the distribution of the variable is determined by random chance. 
D) the distribution of the variable is not determined by random chance. 
A) the variables are independent. 
B) the variables are dependent. 
C) the distribution of the variable is determined by random chance. 
D) the distribution of the variable is not determined by random chance.

Question 19

How many degrees of freedom does a 3x3 bivariate table have?

Accepted Answer

A) 8 
B) 6 
C) 4 
D) 3 
A) 8 
B) 6 
C) 4 
D) 3

Question 20

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.

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

In the Chi square test,degrees of freedom are

The popularity of the Chi Square test is largely due to

A researcher reports that her obtained chi square of -17.56 is significant because it exceeds the critical Chi square of -3.841 for an alpha of .05 with 2 degrees of freedom.What mistake has been made?

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

The chi square test is frequently used because it is relatively easy to satisfy the model assumptions (step 1 of the five-step model).These assumptions require,in the case of chi square,

Chi square is used to test relationships for their

The Chi square test is based on the assumption that

In a 2x2 table,all cell frequencies are exactly the same.This is consistent with which of the following conditions?

A test of the relationship between social class and socialization values was reported in the text.Which of the following was a result of this test?

A test of the relationship between social class and socialization values was reported in the text.Which of the following was a result of this test?

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. Party Democrat Indepenclent Republican Suppat In Favor 36 23 17 76 Neutral 20 17 16 53 Opposed 10 18 36 64 66 58 69 193

Chi square has been used to test the relationship between gender and support for abortion.The null hypothesis has been rejected.What may be concluded?

A researcher reports a c² (obtained)of 75.34 (a =.05,df = 1,c² (critical)= 3.84,N = 13,678).The researcher claims that the relationship is extremely significant.What issue should be raised?

Unlike other tests of significance,chi square is based on

A problem with large samples in the chi square test is that the test statistic

For the chi square goodness-of-fit test,the null hypothesis would be that

How many degrees of freedom does a 3x3 bivariate table have?

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

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

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

In the Chi square test,degrees of freedom are

The popularity of the Chi Square test is largely due to

A researcher reports that her obtained chi square of -17.56 is significant because it exceeds the critical Chi square of -3.841 for an alpha of .05 with 2 degrees of freedom.What mistake has been made?

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

The chi square test is frequently used because it is relatively easy to satisfy the model assumptions (step 1 of the five-step model).These assumptions require,in the case of chi square,

Chi square is used to test relationships for their

The Chi square test is based on the assumption that

In a 2x2 table,all cell frequencies are exactly the same.This is consistent with which of the following conditions?

A test of the relationship between social class and socialization values was reported in the text.Which of the following was a result of this test?

A test of the relationship between social class and socialization values was reported in the text.Which of the following was a result of this test?

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. Party Democrat Indepenclent Republican Suppat In Favor 36 23 17 76 Neutral 20 17 16 53 Opposed 10 18 36 64 66 58 69 193

Chi square has been used to test the relationship between gender and support for abortion.The null hypothesis has been rejected.What may be concluded?

A researcher reports a c2 (obtained)of 75.34 (a =.05,df = 1,c2 (critical)= 3.84,N = 13,678).The researcher claims that the relationship is extremely significant.What issue should be raised?

Unlike other tests of significance,chi square is based on

A problem with large samples in the chi square test is that the test statistic

For the chi square goodness-of-fit test,the null hypothesis would be that

How many degrees of freedom does a 3x3 bivariate table have?

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

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

A researcher reports a c² (obtained)of 75.34 (a =.05,df = 1,c² (critical)= 3.84,N = 13,678).The researcher claims that the relationship is extremely significant.What issue should be raised?