To state: The null and alternative hypotheses and identify the claim

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Answer 1

Question

Chapter 11.3, Problem 6E

a.

To determine

To state: The null and alternative hypotheses and identify the claim

b.

To determine

To find: The critical values and identify the rejection regions.

c.

To determine

To find: The test statistic value.

d.

To determine

To decide: Whether to reject or fail to reject the null hypothesis.

e.

To determine

To summarize: The result.

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Testing Claims About Variation. In Exercises 5–16, test the given claim. Identify the null hypothesis, alternative hypothesis, test statistic, P-value, or critical value(s), then state the conclusion about the null hypothesis, as well as the final conclusion that addresses the original claim. Assume that a simple random sample is selected from a normally distributed population. Mint Specs Listed below are weights (grams) from a simple random sample of “wheat” pennies (from Data Set 29 “Coin Weights” in Appendix B). U.S. Mint specifications now require a standard deviation of 0.0230 g for weights of pennies. Use a 0.01 significance level to test the claim that wheat pennies are manufactured so that their weights have a standard deviation equal to 0.0230 g. Does the Mint specification appear to be met?

Identifying H0 and H1 In Exercises 5–8, do the following: a. Express the original claim in symbolic form. b. Identify the null and alternative hypotheses. Pulse Rates Claim: The standard deviation of pulse rates of adult males is more than 11 bpm. For the random sample of 153 adult males in Data Set 1 “Body Data” in Appendix B, the pulse rates have a standard deviation of 11.3 bpm.

Answer 2

Question

Chapter 11.3, Problem 6E

a.

To determine

To state: The null and alternative hypotheses and identify the claim

b.

To determine

To find: The critical values and identify the rejection regions.

c.

To determine

To find: The test statistic value.

d.

To determine

To decide: Whether to reject or fail to reject the null hypothesis.

e.

To determine

To summarize: The result.

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Answer 3

Question

Chapter 11.3, Problem 6E

a.

To determine

To state: The null and alternative hypotheses and identify the claim

b.

To determine

To find: The critical values and identify the rejection regions.

c.

To determine

To find: The test statistic value.

d.

To determine

To decide: Whether to reject or fail to reject the null hypothesis.

e.

To determine

To summarize: The result.

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Answer 4

Question

Chapter 11.3, Problem 6E

a.

To determine

To state: The null and alternative hypotheses and identify the claim

b.

To determine

To find: The critical values and identify the rejection regions.

c.

To determine

To find: The test statistic value.

d.

To determine

To decide: Whether to reject or fail to reject the null hypothesis.

e.

To determine

To summarize: The result.

Expert Solution & Answer

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Answer 5

Chapter 11.3, Problem 6E

a.

To determine

To state: The null and alternative hypotheses and identify the claim

b.

To determine

To find: The critical values and identify the rejection regions.

c.

To determine

To find: The test statistic value.

d.

To determine

To decide: Whether to reject or fail to reject the null hypothesis.

e.

To determine

To summarize: The result.

Answer 6

Chapter 11.3, Problem 6E

a.

To determine

To state: The null and alternative hypotheses and identify the claim

Answer 7

Chapter 11.3, Problem 6E

a.

To determine

To state: The null and alternative hypotheses and identify the claim

Answer 8

b.

To determine

To find: The critical values and identify the rejection regions.

Answer 9

b.

To determine

To find: The critical values and identify the rejection regions.

Answer 10

c.

To determine

To find: The test statistic value.

Answer 11

c.

To determine

To find: The test statistic value.

Answer 12

d.

To determine

To decide: Whether to reject or fail to reject the null hypothesis.

Answer 13

d.

To determine

To decide: Whether to reject or fail to reject the null hypothesis.

Answer 14

e.

To determine

To summarize: The result.

Answer 15

e.

To determine

To summarize: The result.

Answer 16

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Answer 17

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Answer 18

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Answer 19

Ch. 11.1 - Prob. 1TY Ch. 11.1 - Prob. 2TY Ch. 11.1 - Prob. 3TY Ch. 11.1 - Prob. 1E Ch. 11.1 - When the sign test is used, what population...Ch. 11.1 - Describe the test statistic for the sign test when...Ch. 11.1 - In your own words, explain why the hypothesis test...Ch. 11.1 - Explain how to use the sign test to test a...Ch. 11.1 - List the two conditions that must be met in order...Ch. 11.1 - Prob. 7E

To state: The null and alternative hypotheses and identify the claim

Solution Summary: The author states the null and alternative hypotheses and identifies the claim.

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To state: The null and alternative hypotheses and identify the claim

To find: The critical values and identify the rejection regions.

To find: The test statistic value.

To decide: Whether to reject or fail to reject the null hypothesis.

To summarize: The result.

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Chapter 11 Solutions