Identify the appropriate F -distribution for an F -test to compare the standard deviations of skinfold thickness of runners and others.

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Answer 1

Question

Chapter 11, Problem 19RP

a.

To determine

Identify the appropriate F-distribution for an F-test to compare the standard deviations of skinfold thickness of runners and others.

b.

To determine

Determine whether the data provide sufficient evidence to conclude that the runners have less variability in skin fold thickness than others.

c.

To determine

Explain what assumption about skinfold thickness was made for conducting the hypothesis test in part (b) and how the assumption is checked.

d.

To determine

Explain what are the other assumptions required for performing the two-standard- deviations F-test other than the assumption on skinfold thickness discussed in part (c).

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Answer 2

Question

Chapter 11, Problem 19RP

a.

To determine

Identify the appropriate F-distribution for an F-test to compare the standard deviations of skinfold thickness of runners and others.

b.

To determine

Determine whether the data provide sufficient evidence to conclude that the runners have less variability in skin fold thickness than others.

c.

To determine

Explain what assumption about skinfold thickness was made for conducting the hypothesis test in part (b) and how the assumption is checked.

d.

To determine

Explain what are the other assumptions required for performing the two-standard- deviations F-test other than the assumption on skinfold thickness discussed in part (c).

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Answer 3

Question

Chapter 11, Problem 19RP

a.

To determine

Identify the appropriate F-distribution for an F-test to compare the standard deviations of skinfold thickness of runners and others.

b.

To determine

Determine whether the data provide sufficient evidence to conclude that the runners have less variability in skin fold thickness than others.

c.

To determine

Explain what assumption about skinfold thickness was made for conducting the hypothesis test in part (b) and how the assumption is checked.

d.

To determine

Explain what are the other assumptions required for performing the two-standard- deviations F-test other than the assumption on skinfold thickness discussed in part (c).

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Answer 4

Question

Chapter 11, Problem 19RP

a.

To determine

Identify the appropriate F-distribution for an F-test to compare the standard deviations of skinfold thickness of runners and others.

b.

To determine

Determine whether the data provide sufficient evidence to conclude that the runners have less variability in skin fold thickness than others.

c.

To determine

Explain what assumption about skinfold thickness was made for conducting the hypothesis test in part (b) and how the assumption is checked.

d.

To determine

Explain what are the other assumptions required for performing the two-standard- deviations F-test other than the assumption on skinfold thickness discussed in part (c).

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Answer 5

Chapter 11, Problem 19RP

a.

To determine

Identify the appropriate F-distribution for an F-test to compare the standard deviations of skinfold thickness of runners and others.

b.

To determine

Determine whether the data provide sufficient evidence to conclude that the runners have less variability in skin fold thickness than others.

c.

To determine

Explain what assumption about skinfold thickness was made for conducting the hypothesis test in part (b) and how the assumption is checked.

d.

To determine

Explain what are the other assumptions required for performing the two-standard- deviations F-test other than the assumption on skinfold thickness discussed in part (c).

Answer 6

Chapter 11, Problem 19RP

a.

To determine

Identify the appropriate F-distribution for an F-test to compare the standard deviations of skinfold thickness of runners and others.

Answer 7

Chapter 11, Problem 19RP

a.

To determine

Identify the appropriate F-distribution for an F-test to compare the standard deviations of skinfold thickness of runners and others.

Answer 8

b.

To determine

Determine whether the data provide sufficient evidence to conclude that the runners have less variability in skin fold thickness than others.

Answer 9

b.

To determine

Determine whether the data provide sufficient evidence to conclude that the runners have less variability in skin fold thickness than others.

Answer 10

c.

To determine

Explain what assumption about skinfold thickness was made for conducting the hypothesis test in part (b) and how the assumption is checked.

Answer 11

c.

To determine

Explain what assumption about skinfold thickness was made for conducting the hypothesis test in part (b) and how the assumption is checked.

Answer 12

d.

To determine

Explain what are the other assumptions required for performing the two-standard- deviations F-test other than the assumption on skinfold thickness discussed in part (c).

Answer 13

d.

To determine

Explain what are the other assumptions required for performing the two-standard- deviations F-test other than the assumption on skinfold thickness discussed in part (c).

Answer 14

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Answer 15

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Answer 16

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Answer 17

Ch. 11.1 - What is meant by saying that a variable has a...Ch. 11.1 - How are different chi-square distributions...Ch. 11.1 - Two 2-curves have degrees of freedom 12 and 20,...Ch. 11.1 - The t-table has entries for areas of 0.10, 0.05,...Ch. 11.1 - Prob. 5E Ch. 11.1 - Prob. 6E Ch. 11.1 - In Exercises 11.511.2, use Table VII to find the...Ch. 11.1 - Prob. 8E Ch. 11.1 - Prob. 9E Ch. 11.1 - Prob. 10E

Identify the appropriate F -distribution for an F -test to compare the standard deviations of skinfold thickness of runners and others.

Solution Summary: The author identifies the appropriate F distribution for an F -test to compare the standard deviations of skinfold thickness of runners and non-runners.

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Identify the appropriate F-distribution for an F-test to compare the standard deviations of skinfold thickness of runners and others.

Determine whether the data provide sufficient evidence to conclude that the runners have less variability in skin fold thickness than others.

Explain what assumption about skinfold thickness was made for conducting the hypothesis test in part (b) and how the assumption is checked.

Explain what are the other assumptions required for performing the two-standard- deviations F-test other than the assumption on skinfold thickness discussed in part (c).

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