The claim and state H 0 and H a .

Question

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Answer 1

Question

Chapter 8.2, Problem 17E

a.

To determine

To identify: The claim and state H0 and Ha .

b.

To determine

To find: The critical value and rejection region with α=0.01 .

c.

To determine

To find: The standardized test statistic t.

d.

To determine

To decide: Whether to reject or fail to reject the null hypothesis at a level of significance of α=0.05 .

e.

To determine

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

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PEER REPLY 1: Choose a classmate's Main Post and review their decision making process. 1. Choose a risk level for each of the states of nature (assign a probability value to each). 2. Explain why each risk level is chosen. 3. Which alternative do you believe would be the best based on the maximum EMV? 4. Do you feel determining the expected value with perfect information (EVWPI) is worthwhile in this situation? Why or why not?

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Answer 2

Question

Chapter 8.2, Problem 17E

a.

To determine

To identify: The claim and state H0 and Ha .

b.

To determine

To find: The critical value and rejection region with α=0.01 .

c.

To determine

To find: The standardized test statistic t.

d.

To determine

To decide: Whether to reject or fail to reject the null hypothesis at a level of significance of α=0.05 .

e.

To determine

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

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Answer 3

Question

Chapter 8.2, Problem 17E

a.

To determine

To identify: The claim and state H0 and Ha .

b.

To determine

To find: The critical value and rejection region with α=0.01 .

c.

To determine

To find: The standardized test statistic t.

d.

To determine

To decide: Whether to reject or fail to reject the null hypothesis at a level of significance of α=0.05 .

e.

To determine

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

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Answer 4

Question

Chapter 8.2, Problem 17E

a.

To determine

To identify: The claim and state H0 and Ha .

b.

To determine

To find: The critical value and rejection region with α=0.01 .

c.

To determine

To find: The standardized test statistic t.

d.

To determine

To decide: Whether to reject or fail to reject the null hypothesis at a level of significance of α=0.05 .

e.

To determine

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

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Answer 5

Chapter 8.2, Problem 17E

a.

To determine

To identify: The claim and state H0 and Ha .

b.

To determine

To find: The critical value and rejection region with α=0.01 .

c.

To determine

To find: The standardized test statistic t.

d.

To determine

To decide: Whether to reject or fail to reject the null hypothesis at a level of significance of α=0.05 .

e.

To determine

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

Answer 6

Chapter 8.2, Problem 17E

a.

To determine

To identify: The claim and state H0 and Ha .

Answer 7

Chapter 8.2, Problem 17E

a.

To determine

To identify: The claim and state H0 and Ha .

Answer 8

b.

To determine

To find: The critical value and rejection region with α=0.01 .

Answer 9

b.

To determine

To find: The critical value and rejection region with α=0.01 .

Answer 10

c.

To determine

To find: The standardized test statistic t.

Answer 11

c.

To determine

To find: The standardized test statistic t.

Answer 12

d.

To determine

To decide: Whether to reject or fail to reject the null hypothesis at a level of significance of α=0.05 .

Answer 13

d.

To determine

To decide: Whether to reject or fail to reject the null hypothesis at a level of significance of α=0.05 .

Answer 14

e.

To determine

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

Answer 15

e.

To determine

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

Answer 16

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Answer 17

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Answer 18

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Answer 19

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The claim and state H 0 and H a .

Solution Summary: The author explains the claim that the mean household income in a recent year is greater in Cuyahoga County than it is in Wayne County.

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To identify: The claim and state H0 and Ha .

To find: The critical value and rejection region with α=0.01 .

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=0.05 .

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

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Chapter 8 Solutions