The shape of the distribution of sample mean and the reason of the shape.

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Answer 1

Question

Chapter 9, Problem 13RE

(a)

To determine

To explain: The shape of the distribution of sample mean and the reason of the shape.

(b)

To determine

To construct and interpret: The 95% confidence interval for the mean number of children of all couples who have been married for 7 years.

(c)

To determine

To construct and interpret: The 99% confidence interval for the mean number of children of all couples who have been married for 7 years.

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Answer 2

Question

Chapter 9, Problem 13RE

(a)

To determine

To explain: The shape of the distribution of sample mean and the reason of the shape.

(b)

To determine

To construct and interpret: The 95% confidence interval for the mean number of children of all couples who have been married for 7 years.

(c)

To determine

To construct and interpret: The 99% confidence interval for the mean number of children of all couples who have been married for 7 years.

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Answer 3

Question

Chapter 9, Problem 13RE

(a)

To determine

To explain: The shape of the distribution of sample mean and the reason of the shape.

(b)

To determine

To construct and interpret: The 95% confidence interval for the mean number of children of all couples who have been married for 7 years.

(c)

To determine

To construct and interpret: The 99% confidence interval for the mean number of children of all couples who have been married for 7 years.

Expert Solution & Answer

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Answer 4

Question

Chapter 9, Problem 13RE

(a)

To determine

To explain: The shape of the distribution of sample mean and the reason of the shape.

(b)

To determine

To construct and interpret: The 95% confidence interval for the mean number of children of all couples who have been married for 7 years.

(c)

To determine

To construct and interpret: The 99% confidence interval for the mean number of children of all couples who have been married for 7 years.

Expert Solution & Answer

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Check out a sample textbook solution

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Answer 5

Chapter 9, Problem 13RE

(a)

To determine

To explain: The shape of the distribution of sample mean and the reason of the shape.

(b)

To determine

To construct and interpret: The 95% confidence interval for the mean number of children of all couples who have been married for 7 years.

(c)

To determine

To construct and interpret: The 99% confidence interval for the mean number of children of all couples who have been married for 7 years.

Answer 6

Chapter 9, Problem 13RE

(a)

To determine

To explain: The shape of the distribution of sample mean and the reason of the shape.

Answer 7

Chapter 9, Problem 13RE

(a)

To determine

To explain: The shape of the distribution of sample mean and the reason of the shape.

Answer 8

(b)

To determine

To construct and interpret: The 95% confidence interval for the mean number of children of all couples who have been married for 7 years.

Answer 9

(b)

To determine

To construct and interpret: The 95% confidence interval for the mean number of children of all couples who have been married for 7 years.

Answer 10

(c)

To determine

To construct and interpret: The 99% confidence interval for the mean number of children of all couples who have been married for 7 years.

Answer 11

(c)

To determine

To construct and interpret: The 99% confidence interval for the mean number of children of all couples who have been married for 7 years.

Answer 12

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Answer 13

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Answer 14

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Answer 15

Ch. 9.1 - A _____ _____ is the value of a statistic that...Ch. 9.1 - The _____ ___ _____ represents the expected...Ch. 9.1 - True or False: A 95% confidence interval for a...Ch. 9.1 - The value z2 represents the of the distribution.Ch. 9.1 - As the level of confidence of a confidence...Ch. 9.1 - As the sample size used to obtain a confidence...Ch. 9.1 - In Problems 710, determine the critical value z/2...Ch. 9.1 - In Problems 710, determine the critical value z/2...Ch. 9.1 - In Problems 710, determine the critical value z/2...Ch. 9.1 - In Problems 710, determine the critical value z/2...

The shape of the distribution of sample mean and the reason of the shape.

Solution Summary: The author explains that the shape of the distribution of sample mean is approximately normal. The 95% confidence interval for the mean number of children of all married couples is between 1.952 to 2.582.

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To explain: The shape of the distribution of sample mean and the reason of the shape.

To construct and interpret: The 95% confidence interval for the mean number of children of all couples who have been married for 7 years.

To construct and interpret: The 99% confidence interval for the mean number of children of all couples who have been married for 7 years.

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Chapter 9 Solutions