The claim and state H 0 and H a .

Question

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Answer 1

Question

Chapter 8, Problem 2CQ

a.

To determine

To identify: The claim and state H0 and Ha .

b.

To determine

Whether the hypothesis test is left-tailed, right-tailed or two-tailed.

To check: Whether to use z-test or t-test.

c.

To determine

To find: The critical value and rejection region with α=0.10 .

d.

To determine

To find: The standardized test statistic t.

e.

To determine

To decide: Whether to reject or fail to reject the null hypothesis at a level of significance of α=0.10 .

f.

To determine

To interpret: The decision in the context of the original claim.

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Place an R or a V after each operation to indicate whether it would be used to establish the reliability (R) or the validity (V) of a test.a. Compare the score on one half of test items to the score on the other half. ( )b. Compare scores on test to grades, performance ratings, or other measures. ( )c. Compare scores from the test after administering it on two separate occasions. ( )d. Compare scores on alternate forms of the test. ( )

Use the information provided to answer the question. H0:u<=60, Ha : u>60, n=36, Xbar=58

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Answer 2

Question

Chapter 8, Problem 2CQ

a.

To determine

To identify: The claim and state H0 and Ha .

b.

To determine

Whether the hypothesis test is left-tailed, right-tailed or two-tailed.

To check: Whether to use z-test or t-test.

c.

To determine

To find: The critical value and rejection region with α=0.10 .

d.

To determine

To find: The standardized test statistic t.

e.

To determine

To decide: Whether to reject or fail to reject the null hypothesis at a level of significance of α=0.10 .

f.

To determine

To interpret: The decision in the context of the original claim.

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Answer 3

Question

Chapter 8, Problem 2CQ

a.

To determine

To identify: The claim and state H0 and Ha .

b.

To determine

Whether the hypothesis test is left-tailed, right-tailed or two-tailed.

To check: Whether to use z-test or t-test.

c.

To determine

To find: The critical value and rejection region with α=0.10 .

d.

To determine

To find: The standardized test statistic t.

e.

To determine

To decide: Whether to reject or fail to reject the null hypothesis at a level of significance of α=0.10 .

f.

To determine

To interpret: The decision in the context of the original claim.

Expert Solution & Answer

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Answer 4

Question

Chapter 8, Problem 2CQ

a.

To determine

To identify: The claim and state H0 and Ha .

b.

To determine

Whether the hypothesis test is left-tailed, right-tailed or two-tailed.

To check: Whether to use z-test or t-test.

c.

To determine

To find: The critical value and rejection region with α=0.10 .

d.

To determine

To find: The standardized test statistic t.

e.

To determine

To decide: Whether to reject or fail to reject the null hypothesis at a level of significance of α=0.10 .

f.

To determine

To interpret: The decision in the context of the original claim.

Expert Solution & Answer

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Answer 5

Chapter 8, Problem 2CQ

a.

To determine

To identify: The claim and state H0 and Ha .

b.

To determine

Whether the hypothesis test is left-tailed, right-tailed or two-tailed.

To check: Whether to use z-test or t-test.

c.

To determine

To find: The critical value and rejection region with α=0.10 .

d.

To determine

To find: The standardized test statistic t.

e.

To determine

To decide: Whether to reject or fail to reject the null hypothesis at a level of significance of α=0.10 .

f.

To determine

To interpret: The decision in the context of the original claim.

Answer 6

Chapter 8, Problem 2CQ

a.

To determine

To identify: The claim and state H0 and Ha .

Answer 7

Chapter 8, Problem 2CQ

a.

To determine

To identify: The claim and state H0 and Ha .

Answer 8

b.

To determine

Whether the hypothesis test is left-tailed, right-tailed or two-tailed.

To check: Whether to use z-test or t-test.

Answer 9

b.

To determine

Whether the hypothesis test is left-tailed, right-tailed or two-tailed.

To check: Whether to use z-test or t-test.

Answer 10

c.

To determine

To find: The critical value and rejection region with α=0.10 .

Answer 11

c.

To determine

To find: The critical value and rejection region with α=0.10 .

Answer 12

d.

To determine

To find: The standardized test statistic t.

Answer 13

d.

To determine

To find: The standardized test statistic t.

Answer 14

e.

To determine

To decide: Whether to reject or fail to reject the null hypothesis at a level of significance of α=0.10 .

Answer 15

e.

To determine

To decide: Whether to reject or fail to reject the null hypothesis at a level of significance of α=0.10 .

Answer 16

f.

To determine

To interpret: The decision in the context of the original claim.

Answer 17

f.

To determine

To interpret: The decision in the context of the original claim.

Answer 18

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Answer 19

Expert Solution & Answer

Answer 20

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Answer 21

Ch. 8.1 - Classify each pair of samples as independent or...Ch. 8.1 - A survey indicates that the mean annual wages for...Ch. 8.1 - A travel agency claims that the average daily cost...Ch. 8.1 - What is the difference between two samples that...Ch. 8.1 - Explain how to perform a two-sample z-test for the...Ch. 8.1 - Describe another way you can perform a hypothesis...Ch. 8.1 - What conditions are necessary in order to use the...Ch. 8.1 - Prob. 5E Ch. 8.1 - Prob. 6E Ch. 8.1 - Independent and Dependent Samples In Exercises 58,...

The claim and state H 0 and H a .

Solution Summary: The author explains the claim that the mean scores on a music assessment test for eighth grade boys and girls are equal.

To identify: The claim and state H0 and Ha .

Whether the hypothesis test is left-tailed, right-tailed or two-tailed.

To check: Whether to use z-test or t-test.

To find: The critical value and rejection region with α=0.10 .

To find: The standardized test statistic t.

To decide: Whether to reject or fail to reject the null hypothesis at a level of significance of α=0.10 .

To interpret: The decision in the context of the original claim.

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Chapter 8 Solutions

The claim and state H 0 and H a .

Solution Summary: The author explains the claim that the mean scores on a music assessment test for eighth grade boys and girls are equal.

To identify: The claim and state H0 and Ha .

Whether the hypothesis test is left-tailed, right-tailed or two-tailed. To check: Whether to use z-test or t-test.

To find: The critical value and rejection region with α=0.10 .

To find: The standardized test statistic t.

To decide: Whether to reject or fail to reject the null hypothesis at a level of significance of α=0.10 .

To interpret: The decision in the context of the original claim.

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Chapter 8 Solutions

Whether the hypothesis test is left-tailed, right-tailed or two-tailed.

To check: Whether to use z-test or t-test.