Question 1

For ANOVA, we construct two estimates of the population variance. These are called

Accepted Answer

A)  the average estimates 
B)  the standard estimates 
C)  the within and total estimates 
D)  the mean square estimates 
A)  the average estimates 
B)  the standard estimates 
C)  the within and total estimates 
D)  the mean square estimates

Question 2

When we have an interval-ratio dependent variable and are comparing two groups, the appropriate test of significance is the ________ . When we have an interval-ratio dependent variable and are comparing three or more groups, the appropriate test of significance is the ________ .

Accepted Answer

A)  t test … ANOVA 
B)  ANOVA … t test 
C)  chi square … ANOVA 
D)  t test … chi square 
A)  t test … ANOVA 
B)  ANOVA … t test 
C)  chi square … ANOVA 
D)  t test … chi square

Question 3

A researcher is analyzing regional differences in family size. She has information on number of children for samples of families from four regions. Which of the following would be an appropriate statistical test?

Accepted Answer

A)  t test for matched samples 
B)  t test for difference in means 
C)  ANOVA 
D)  Actually, none of the above would work in this situation 
A)  t test for matched samples 
B)  t test for difference in means 
C)  ANOVA 
D)  Actually, none of the above would work in this situation

Question 4

The sampling distribution for the ANOVA test is

Accepted Answer

A)  the Z distribution 
B)  the t distribution 
C)  the F distribution 
D)  None of the above 
A)  the Z distribution 
B)  the t distribution 
C)  the F distribution 
D)  None of the above

Question 5

ANOVA is appropriate for situations in which

Accepted Answer

A)  only nominal level variables are involved 
B)  we are comparing more than two groups 
C)  bivariate tables are used to organize the data 
D)  there are fewer than two samples 
A)  only nominal level variables are involved 
B)  we are comparing more than two groups 
C)  bivariate tables are used to organize the data 
D)  there are fewer than two samples

Question 6

In the ANOVA test, the symbol 'dfb' refers to

Accepted Answer

A)  the mean square estimate between 
B)  degrees of freedom associated with SSB 
C)  degrees forward beneath 
D)  degrees of fullness, behind estimate 
A)  the mean square estimate between 
B)  degrees of freedom associated with SSB 
C)  degrees forward beneath 
D)  degrees of fullness, behind estimate

Question 7

The F ratio is a ratio of _________ to _________ .

Accepted Answer

A)  amount of variation between categories to the amount of variation within 
B)  amount of variation within categories to the amount of variation between 
C)  total variation to amount of variation between 
D)  total variation to amount of variation within 
A)  amount of variation between categories to the amount of variation within 
B)  amount of variation within categories to the amount of variation between 
C)  total variation to amount of variation between 
D)  total variation to amount of variation within

Question 8

The ANOVA test is designed for dependent variables that have been measured at

Accepted Answer

A)  the interval-ratio level 
B)  the nominal level 
C)  the ordinal level 
D)  any level of measurement 
A)  the interval-ratio level 
B)  the nominal level 
C)  the ordinal level 
D)  any level of measurement

For ANOVA, we construct two estimates of the population variance. These are called

When we have an interval-ratio dependent variable and are comparing two groups, the appropriate test of significance is the . When we have an interval-ratio dependent variable and are comparing three or more groups, the appropriate test of significance is the .

A researcher is analyzing regional differences in family size. She has information on number of children for samples of families from four regions. Which of the following would be an appropriate statistical test?

The sampling distribution for the ANOVA test is

ANOVA is appropriate for situations in which

In the ANOVA test, the symbol 'dfb' refers to

The F ratio is a ratio of _ to _ .

The ANOVA test is designed for dependent variables that have been measured at

Introduction

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

Measures of Central Tendency

Measures of Dispersion

The Normal Curve

Introduction to Inferential Statistics Sampling the Sampling Distribution

Hypothesis Testing I the One-Sample Case

Hypothesis Testing II the Two-Sample Case

Hypothesis Testing Iv Chi Square

Bivariate Association for Nominal- and Ordinal-Level Variables

Association Between Variables Measured at the Interval-Ratio Level

Partial Correlation and

Filters

Exam 9: Hypothesis Testing III: the Analysis of Variance

For ANOVA, we construct two estimates of the population variance. These are called

When we have an interval-ratio dependent variable and are comparing two groups, the appropriate test of significance is the ________ . When we have an interval-ratio dependent variable and are comparing three or more groups, the appropriate test of significance is the ________ .

A researcher is analyzing regional differences in family size. She has information on number of children for samples of families from four regions. Which of the following would be an appropriate statistical test?

The sampling distribution for the ANOVA test is

ANOVA is appropriate for situations in which

In the ANOVA test, the symbol 'dfb' refers to

The F ratio is a ratio of _________ to _________ .

The ANOVA test is designed for dependent variables that have been measured at

Introduction

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

Measures of Central Tendency

Measures of Dispersion

The Normal Curve

Introduction to Inferential Statistics Sampling the Sampling Distribution

Hypothesis Testing I the One-Sample Case

Hypothesis Testing II the Two-Sample Case

Hypothesis Testing Iv Chi Square

Bivariate Association for Nominal- and Ordinal-Level Variables

Association Between Variables Measured at the Interval-Ratio Level

Partial Correlation and

Filters

When we have an interval-ratio dependent variable and are comparing two groups, the appropriate test of significance is the . When we have an interval-ratio dependent variable and are comparing three or more groups, the appropriate test of significance is the .

The F ratio is a ratio of _ to _ .