Question 1

The larger the value of Chi-square value, the smaller the probability.

Accepted Answer

A) True 
 B)False  True

Question 2

The Chi-square test is designed to be used with

Accepted Answer

A)  any level of data 
B)  nominal-level data 
C)  ordinal-level data 
D)  interval-level data 
A)  any level of data 
B)  nominal-level data 
C)  ordinal-level data 
D)  interval-level data B

Question 3

Observed frequencies in Chi-square refers to

Accepted Answer

A)  the observed computed value of Chi-square as opposed to the value present in tables 
B)  the total number of cases observed in each category of the independent variable 
C)  the actual number of cases in each table cell 
D)  the frequency of occurrence of cells in each of the table variables 
A)  the observed computed value of Chi-square as opposed to the value present in tables 
B)  the total number of cases observed in each category of the independent variable 
C)  the actual number of cases in each table cell 
D)  the frequency of occurrence of cells in each of the table variables C

Question 4

Nonparametric statistics are called that because they

Accepted Answer

A)  are free of assumptions about table parameters 
B)  don't make assumptions requiring a specific data distribution 
C)  are distribution-free statistics 
D)  b and c above 
A)  are free of assumptions about table parameters 
B)  don't make assumptions requiring a specific data distribution 
C)  are distribution-free statistics 
D)  b and c above

Question 5

Chi-square gets its name because of the fact that the O - E differences are squared.

Accepted Answer

A) True 
 B)False

Question 6

Assumptions of the Chi-square test include

Accepted Answer

A)  small sample sizes 
B)  equal number of cells in the rows and columns 
C)  equal marginals 
D)  b and c above 
A)  small sample sizes 
B)  equal number of cells in the rows and columns 
C)  equal marginals 
D)  b and c above

Question 7

Chi-square is a measure of the cumulative differences between what we expect to get and what we really get.

Accepted Answer

A) True 
 B)False

Question 8

If you have a 2x2 table and a small number of cases, the best choice of statistic below is:

Accepted Answer

A)  Chi-Square Test 
B)  Fisher's Exact Test 
C)  2x2 Combinatorial Test 
D)  Modified Chi-square Test 
A)  Chi-Square Test 
B)  Fisher's Exact Test 
C)  2x2 Combinatorial Test 
D)  Modified Chi-square Test

Question 9

Expected values are used in cells because they

Accepted Answer

A)  are always different from observed values 
B)  are easier to calculate than unexpected values 
C)  standardize the cell sizes for the total number of cases in the sample 
D)  compensate for unequal row and column marginals 
A)  are always different from observed values 
B)  are easier to calculate than unexpected values 
C)  standardize the cell sizes for the total number of cases in the sample 
D)  compensate for unequal row and column marginals

Question 10

If a null relationship exists in a crosstabulation table

Accepted Answer

A)  there are no differences in the expected values 
B)  there are no differences in the observed values 
C)  the expected values and observed values are substantially different 
D)  the expected values and observed values are essentially equal 
A)  there are no differences in the expected values 
B)  there are no differences in the observed values 
C)  the expected values and observed values are substantially different 
D)  the expected values and observed values are essentially equal

Question 11

If you have a 2x2 table, the number of degrees of freedom is

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
A)  1 
B)  2 
C)  3 
D)  4

Question 12

Because sample size affects probability levels, never use a measure of significance to mean strength of relationship.

Accepted Answer

A) True 
 B)False

Question 13

Degrees of freedom in a Chi-square test refers to the total number of cases divided by the number of cells in a table.

Accepted Answer

A) True 
 B)False

Question 14

Larber values of Chi-square indicate bigger differences.

Accepted Answer

A) True 
 B)False

Question 15

Fisher's Exact Test is expressly designed for large samples that Chi-square cannot handle.

Accepted Answer

A) True 
 B)False

Question 16

Chi-square is very sensitive to violations of its assumptions.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following statistics can be used to determine whether or not there is a statistically significant relationship between two variables in a 2x3 crosstabulation table?

Accepted Answer

A)  Chi-square 
B)  t-test 
C)  ANOVA 
D)  Fisher's Exact Test 
A)  Chi-square 
B)  t-test 
C)  ANOVA 
D)  Fisher's Exact Test

Question 18

The larger the value of chi-square:

Accepted Answer

A)  the smaller the difference between the observed and expected frequencies 
B)  the larger the difference between the observed and expected frequencies 
C)  the less the distribution approaches normality 
D)  none of the above 
A)  the smaller the difference between the observed and expected frequencies 
B)  the larger the difference between the observed and expected frequencies 
C)  the less the distribution approaches normality 
D)  none of the above

Question 19

Which of the following can cause problems in the accurate interpretation of Chi-square?

Accepted Answer

A)  a low probability level 
B)  a small chi-square value 
C)  related samples 
D)  nominal level data 
A)  a low probability level 
B)  a small chi-square value 
C)  related samples 
D)  nominal level data

Question 20

Interval-level data is particularly appropriate for Chi-square because it is less likely to violate assumptions.

Accepted Answer

A) True 
 B)False

The larger the value of Chi-square value, the smaller the probability.

The Chi-square test is designed to be used with

Observed frequencies in Chi-square refers to

Nonparametric statistics are called that because they

Chi-square gets its name because of the fact that the O - E differences are squared.

Assumptions of the Chi-square test include

Chi-square is a measure of the cumulative differences between what we expect to get and what we really get.

If you have a 2x2 table and a small number of cases, the best choice of statistic below is:

Expected values are used in cells because they

If a null relationship exists in a crosstabulation table

If you have a 2x2 table, the number of degrees of freedom is

Because sample size affects probability levels, never use a measure of significance to mean strength of relationship.

Degrees of freedom in a Chi-square test refers to the total number of cases divided by the number of cells in a table.

Larber values of Chi-square indicate bigger differences.

Fisher's Exact Test is expressly designed for large samples that Chi-square cannot handle.

Chi-square is very sensitive to violations of its assumptions.

Which of the following statistics can be used to determine whether or not there is a statistically significant relationship between two variables in a 2x3 crosstabulation table?

The larger the value of chi-square:

Which of the following can cause problems in the accurate interpretation of Chi-square?

Interval-level data is particularly appropriate for Chi-square because it is less likely to violate assumptions.

Introduction to Statistics

Levels of Measurement

Graphical Statistics

Measures of Central Tendency

Measures of Dispersion

Curves and Distributions

Frequency Distributions

Elementary Relationships: Crosstabulation Tables

Hypotheses and Sampling Distributions

Statistical Significance

Testing for Significance in Two Groups: The T-Test

Testing for Significance in Multiple Groups: The Analysis of Variance Statistic

The Concept of Association

Testing for Association: Phi

Testing for Association: Pearsons R and Regression

Doing Real Research: Elementary Multivariate Relationships

Statistics and Data Analysis

Filters

Exam 11: Testing for Significance: the Chi-Square Test

The larger the value of Chi-square value, the smaller the probability.

The Chi-square test is designed to be used with

Observed frequencies in Chi-square refers to

Nonparametric statistics are called that because they

Chi-square gets its name because of the fact that the O - E differences are squared.

Assumptions of the Chi-square test include

Chi-square is a measure of the cumulative differences between what we expect to get and what we really get.

If you have a 2x2 table and a small number of cases, the best choice of statistic below is:

Expected values are used in cells because they

If a null relationship exists in a crosstabulation table

If you have a 2x2 table, the number of degrees of freedom is

Because sample size affects probability levels, never use a measure of significance to mean strength of relationship.

Degrees of freedom in a Chi-square test refers to the total number of cases divided by the number of cells in a table.

Larber values of Chi-square indicate bigger differences.

Fisher's Exact Test is expressly designed for large samples that Chi-square cannot handle.

Chi-square is very sensitive to violations of its assumptions.

Which of the following statistics can be used to determine whether or not there is a statistically significant relationship between two variables in a 2x3 crosstabulation table?

The larger the value of chi-square:

Which of the following can cause problems in the accurate interpretation of Chi-square?

Interval-level data is particularly appropriate for Chi-square because it is less likely to violate assumptions.

Introduction to Statistics

Levels of Measurement

Graphical Statistics

Measures of Central Tendency

Measures of Dispersion

Curves and Distributions

Frequency Distributions

Elementary Relationships: Crosstabulation Tables

Hypotheses and Sampling Distributions

Statistical Significance

Testing for Significance in Two Groups: The T-Test

Testing for Significance in Multiple Groups: The Analysis of Variance Statistic

The Concept of Association

Testing for Association: Phi

Testing for Association: Pearsons R and Regression

Doing Real Research: Elementary Multivariate Relationships

Statistics and Data Analysis

Filters