Question 1

Which of the following is NOT true regarding Tukey's HSD test?

Accepted Answer

A)  It is used to determine which means differ significantly. 
B)  It is a post hoc test. 
C)  To use this test, the sample size must be different for each group. 
D)  It has built-in safeguards to minimize the risk of a Type I error. 
A)  It is used to determine which means differ significantly. 
B)  It is a post hoc test. 
C)  To use this test, the sample size must be different for each group. 
D)  It has built-in safeguards to minimize the risk of a Type I error.

Question 2

For the following scores from three different groups, calculate SStot, SSwi, and SSbet.

Accepted Answer

Question 3

Given the summary values for a one-way ANOVA: SSbet = 34, SSwi = 27, MSbet = 17, and MSwi = 3, what is Fobt?

Accepted Answer

A)  5.67 
B)  2 
C)  .1765 
D)  .5 
A)  5.67 
B)  2 
C)  .1765 
D)  .5

Question 4

Which of the following calculations is not required for conducting a one-way ANOVA?

Accepted Answer

A)  F-statistic 
B)  sum of squares values 
C)  standard error of difference between the means 
D)  mean square values 
A)  F-statistic 
B)  sum of squares values 
C)  standard error of difference between the means 
D)  mean square values

Question 5

Given the summary values for a one-way ANOVA: SSbet = 105, k = 4, and n = 7 for each group, what is MSbet?

Accepted Answer

A)  1.28 
B)  4.38 
C)  35 
D)  26.25 
A)  1.28 
B)  4.38 
C)  35 
D)  26.25

Question 6

List the assumptions for a one-way ANOVA.

Accepted Answer

The assumptions for a one-way ANOVA are:

Question 7

For a one-way ANOVA, the null hypothesis

Accepted Answer

A)  predicts the value of F to be 1. 
B)  asserts that treatment had no effect. 
C)  attributes any differences between means to random error. 
D)  All of the above are true. 
A)  predicts the value of F to be 1. 
B)  asserts that treatment had no effect. 
C)  attributes any differences between means to random error. 
D)  All of the above are true.

Question 8

For a one-way ANOVA, if Fcrit = 4.29 and Fobt = 4.28, you should

Accepted Answer

A)  reject H₀ at α = .01, but fail to reject H₀ at α = .05. 
B)  reject H₀ at α = .05, but fail to reject H₀ at α = .01. 
C)  reject H₀. 
D)  fail to reject H₀. 
A)  reject H₀ at α = .01, but fail to reject H₀ at α = .05. 
B)  reject H₀ at α = .05, but fail to reject H₀ at α = .01. 
C)  reject H₀. 
D)  fail to reject H₀.

Question 9

In a one-way ANOVA, if dfbet = 3 and dfwi = 24, how many groups were involved in the study and how many subjects participated?

Accepted Answer

There were 4 groups

Question 10

What are the two types of variance in a one-way ANOVA and what are the factors that cause scores to vary with each type?

Accepted Answer

One type of variance is within-treatment

Question 11

In a one-way ANOVA, mean square is equivalent to

Accepted Answer

A)  a standard deviation. 
B)  variance. 
C)  SS. 
D)  standard error of difference between the means. 
A)  a standard deviation. 
B)  variance. 
C)  SS. 
D)  standard error of difference between the means.

Question 12

The problem with conducting multiple t tests is

Accepted Answer

A)  the accumulated probability of a Type I error. 
B)  the accumulated probability of a Type II error. 
C)  too much sample variability. 
D)  the increased risk of calculation errors. 
A)  the accumulated probability of a Type I error. 
B)  the accumulated probability of a Type II error. 
C)  too much sample variability. 
D)  the increased risk of calculation errors.

Question 13

Which of the following is a correct representation of the F-statistic?

Accepted Answer

A)  within-treatment variance/between-treatments variance 
B)  treatment-variance/error variance 
C)  error variance/treatment variance 
D)  MSwi/MSbet 
A)  within-treatment variance/between-treatments variance 
B)  treatment-variance/error variance 
C)  error variance/treatment variance 
D)  MSwi/MSbet

Question 14

The summary table below includes partial values for the results of a one-way ANOVA. Complete the rest of the table where indicated with a blank line.

Accepted Answer

One-way AN

Question 15

Analysis of variance allows for comparison between several different groups using only one

Accepted Answer

A)  hypothesis. 
B)  mean. 
C)  df. 
D)  alpha level. 
A)  hypothesis. 
B)  mean. 
C)  df. 
D)  alpha level.

Question 16

In conducting a one-way ANOVA, if there are no treatment effects, then

Accepted Answer

A)  between-treatments variance and within-treatment variance would be approximately equal. 
B)  between-treatments variance would be larger than within-treatment variance. 
C)  within-treatment variance would be larger than between-treatments variance. 
D)  between-treatments variance would be 0. 
A)  between-treatments variance and within-treatment variance would be approximately equal. 
B)  between-treatments variance would be larger than within-treatment variance. 
C)  within-treatment variance would be larger than between-treatments variance. 
D)  between-treatments variance would be 0.

Question 17

In a one-way ANOVA, k represents

Accepted Answer

A)  the number of subjects. 
B)  the number of groups. 
C)  the number of levels of the independent variable. 
D)  both "b" and "c" above. 
A)  the number of subjects. 
B)  the number of groups. 
C)  the number of levels of the independent variable. 
D)  both "b" and "c" above.

Which of the following is NOT true regarding Tukey's HSD test?

For the following scores from three different groups, calculate SS_tot, SS_wi, and SS_bet.

Given the summary values for a one-way ANOVA: SS_bet = 34, SS_wi = 27, MS_bet = 17, and MS_wi = 3, what is F_obt?

Which of the following calculations is not required for conducting a one-way ANOVA?

Given the summary values for a one-way ANOVA: SS_bet = 105, k = 4, and n = 7 for each group, what is MS_bet?

List the assumptions for a one-way ANOVA.

For a one-way ANOVA, the null hypothesis

For a one-way ANOVA, if F_crit = 4.29 and F_obt = 4.28, you should

In a one-way ANOVA, if df_bet = 3 and df_wi = 24, how many groups were involved in the study and how many subjects participated?

What are the two types of variance in a one-way ANOVA and what are the factors that cause scores to vary with each type?

In a one-way ANOVA, mean square is equivalent to

The problem with conducting multiple t tests is

Which of the following is a correct representation of the F-statistic?

The summary table below includes partial values for the results of a one-way ANOVA. Complete the rest of the table where indicated with a blank line.

Analysis of variance allows for comparison between several different groups using only one

In conducting a one-way ANOVA, if there are no treatment effects, then

In a one-way ANOVA, k represents

Organizing Data Using Tables and Graphs

Measures of Central Tendency

Measures of Variability

Z-Scores and Other Standard Scores

Probability and the Normal Distribution

Sampling Distribution of Means

Hypothesis Testing

One-Sample T-Test

Two-Sample T-Test: Independent Samples Design

Two-Sample T-Test: Related Samples Design

Confidence Interval Versus Point Estimation

Factorial Analysis of Variance

Correlation and Regression

Chi-Square

Introduction to Statistics

Nonparametric Statistics for Ordinal Data

Filters

Exam 13: One-Way Analysis of Variance

Which of the following is NOT true regarding Tukey's HSD test?

For the following scores from three different groups, calculate SStot, SSwi, and SSbet.

Given the summary values for a one-way ANOVA: SSbet = 34, SSwi = 27, MSbet = 17, and MSwi = 3, what is Fobt?

Which of the following calculations is not required for conducting a one-way ANOVA?

Given the summary values for a one-way ANOVA: SSbet = 105, k = 4, and n = 7 for each group, what is MSbet?

List the assumptions for a one-way ANOVA.

For a one-way ANOVA, the null hypothesis

For a one-way ANOVA, if Fcrit = 4.29 and Fobt = 4.28, you should

In a one-way ANOVA, if dfbet = 3 and dfwi = 24, how many groups were involved in the study and how many subjects participated?

What are the two types of variance in a one-way ANOVA and what are the factors that cause scores to vary with each type?

In a one-way ANOVA, mean square is equivalent to

The problem with conducting multiple t tests is

Which of the following is a correct representation of the F-statistic?

The summary table below includes partial values for the results of a one-way ANOVA. Complete the rest of the table where indicated with a blank line.

Analysis of variance allows for comparison between several different groups using only one

In conducting a one-way ANOVA, if there are no treatment effects, then

In a one-way ANOVA, k represents

Organizing Data Using Tables and Graphs

Measures of Central Tendency

Measures of Variability

Z-Scores and Other Standard Scores

Probability and the Normal Distribution

Sampling Distribution of Means

Hypothesis Testing

One-Sample T-Test

Two-Sample T-Test: Independent Samples Design

Two-Sample T-Test: Related Samples Design

Confidence Interval Versus Point Estimation

Factorial Analysis of Variance

Correlation and Regression

Chi-Square

Introduction to Statistics

Nonparametric Statistics for Ordinal Data

Filters

For the following scores from three different groups, calculate SS_tot, SS_wi, and SS_bet.

Given the summary values for a one-way ANOVA: SS_bet = 34, SS_wi = 27, MS_bet = 17, and MS_wi = 3, what is F_obt?

Given the summary values for a one-way ANOVA: SS_bet = 105, k = 4, and n = 7 for each group, what is MS_bet?

For a one-way ANOVA, if F_crit = 4.29 and F_obt = 4.28, you should

In a one-way ANOVA, if df_bet = 3 and df_wi = 24, how many groups were involved in the study and how many subjects participated?