Deck 13: Comparing Three or More Means

Question 1

Test a Hypothesis Regarding Three or More Means Using One -Way ANOVA

Answer 1

Question 2

Test a Hypothesis Regarding Three or More Means Using One -Way ANOVA

Answer 2

Question 3

Four different types of insecticides are used on strawberry plants. The number of strawberries on each randomly selected plant is recorded. State the requirements that must be satisfied in order to use the one-way ANOVA procedure.

Answer 3

Each group represents a simple random sample from its respective population. All samples are independent of one another. The population are normally distributed. The population have the same variance.

Question 4

The analysis of variance is an inferential method that is used to test the equality of

A) three or more population means.
B) three or more population variances.
C) two population means.
D) two population variances.

Question 5

Test a Hypothesis Regarding Three or More Means Using One -Way ANOVA

Question 6

Test a Hypothesis Regarding Three or More Means Using One -Way ANOVA

Question 7

Test a Hypothesis Regarding Three or More Means Using One -Way ANOVA

Question 8

Test a Hypothesis Regarding Three or More Means Using One -Way ANOVA

Question 9

Test a Hypothesis Regarding Three or More Means Using One -Way ANOVA

Question 10

Test a Hypothesis Regarding Three or More Means Using One -Way ANOVA

Question 11

Test a Hypothesis Regarding Three or More Means Using One -Way ANOVA

Question 12

A medical researcher wishes to try three different techniques to lower cholesterol levels of patients with high cholesterol levels. The subjects are randomly selected and assigned to one of three groups. Group 1 is given medication, Group 2 is given an exercise program, and Group 3 is assigned a diet program. At the end of six weeks, each subject s cholesterol level is recorded. State the requirements that must be satisfied in order to use the one-way ANOVA procedure.

Question 13

Test a Hypothesis Regarding Three or More Means Using One -Way ANOVA

Question 14

Test a Hypothesis Regarding Three or More Means Using One -Way ANOVA

Question 15

Test a Hypothesis Regarding Three or More Means Using One -Way ANOVA

Question 16

Test a Hypothesis Regarding Three or More Means Using One -Way ANOVA

Question 17

Test a Hypothesis Regarding Three or More Means Using One -Way ANOVA

Question 18

How, in general, is the requirement of equal population variances to allow the use of analysis of variance method verified

A) The largest sample standard deviation must be less than or equal to twice the smallest sample standard deviation.
B) All three sample standard deviations must be equal.
C) The largest sample standard deviation is equal to the sum of the other standard deviations.
D) The largest sample standard deviation is less than or equal to the variance of the smallest sample.

Question 19

A researcher wishes to determine whether there is a difference in the average age of middle school, high school, and college teachers. Teachers are randomly selected. Their ages are recorded. State the requirements that must be satisfied in order to use the one-way ANOVA procedure.

Question 20

Test a Hypothesis Regarding Three or More Means Using One -Way ANOVA

Question 21

Conduct Analysis of Variance on the Randomized Complete Block Design

Question 22

Perform the Tukey Test

Question 23

Conduct Analysis of Variance on the Randomized Complete Block Design
Why is the completely randomized block design not always sufficient

Question 24

Test a Hypothesis Regarding Three or More Means Using One -Way ANOVA

Question 25

Perform the Tukey Test

Question 26

Perform the Tukey Test

Question 27

Test a Hypothesis Regarding Three or More Means Using One -Way ANOVA

Question 28

Perform the Tukey Test

Question 29

Test a Hypothesis Regarding Three or More Means Using One -Way ANOVA

Question 30

Test a Hypothesis Regarding Three or More Means Using One -Way ANOVA

Question 31

Perform the Tukey Test

Question 32

Test a Hypothesis Regarding Three or More Means Using One -Way ANOVA

Question 33

Conduct Analysis of Variance on the Randomized Complete Block Design

Question 34

Conduct Analysis of Variance on the Randomized Complete Block Design

Question 35

Conduct Analysis of Variance on the Randomized Complete Block Design

Question 36

Conduct Analysis of Variance on the Randomized Complete Block Design

Question 37

Conduct Analysis of Variance on the Randomized Complete Block Design

Question 38

Perform the Tukey Test

Question 39

Test a Hypothesis Regarding Three or More Means Using One -Way ANOVA

Question 40

Conduct Analysis of Variance on the Randomized Complete Block Design

Question 41

Draw Interaction Plots

Question 42

Conduct Analysis of Variance on the Randomized Complete Block Design

Question 43

Conduct Analysis of Variance on the Randomized Complete Block Design
It is required for the Two-Way ANOVA that the populations all have the same variance.

Question 44

Perform the Tukey Test

Question 45

Conduct Analysis of Variance on the Randomized Complete Block Design

Question 46

Perform the Tukey Test

Question 47

Perform the Tukey Test

Question 48

Conduct Analysis of Variance on the Randomized Complete Block Design

Question 49

Conduct Analysis of Variance on the Randomized Complete Block Design

Question 50

Draw Interaction Plots

Question 51

Conduct Analysis of Variance on the Randomized Complete Block Design