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The Practice of Statistics | 5th Edition | ISBN: 9781464108730 | Authors: Daren S. Starnes, Josh Tabor
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Solved: Exercises 58 to 60 refer to the following setting. A study of road rage asked

Chapter 10, Problem 60

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QUESTION:

Exercises 58 to 60 refer to the following setting. A study of road rage asked random samples of 596 men and 523 women about their behavior while driving. Based on their answers, each person was assigned a road rage score on a scale of 0 to 20. The participants were chosen by random digit dialing of phone numbers. The researchers performed a test of the following hypotheses: H0:mM = mF versus Ha:mM mF.Based on the P-value in Exercise 59, which of thefollowing must be true?(a) A 90% confidence interval for mM mF will contain 0.(b) A 95% confidence interval for mM mF will contain 0.(c) A 99% confidence interval for mM mF will contain 0.(d) A 99.9% confidence interval for mM mF willcontain 0.(e) It is impossible to determine whether any of thesestatements is true based only on the P-value.

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QUESTION:

Exercises 58 to 60 refer to the following setting. A study of road rage asked random samples of 596 men and 523 women about their behavior while driving. Based on their answers, each person was assigned a road rage score on a scale of 0 to 20. The participants were chosen by random digit dialing of phone numbers. The researchers performed a test of the following hypotheses: H0:mM = mF versus Ha:mM mF.Based on the P-value in Exercise 59, which of thefollowing must be true?(a) A 90% confidence interval for mM mF will contain 0.(b) A 95% confidence interval for mM mF will contain 0.(c) A 99% confidence interval for mM mF will contain 0.(d) A 99.9% confidence interval for mM mF willcontain 0.(e) It is impossible to determine whether any of thesestatements is true based only on the P-value.

ANSWER:

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Null hypothesis:

Alternative hypothesis:

Number of samples of men:

Number of women:

P-value:

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