Find the mean pharmacy sale for each city (stratum).

Question

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Answer 1

Question

Chapter 21.5, Problem 11E

a.

To determine

Find the mean pharmacy sale for each city (stratum).

b.

To determine

Obtain an approximate 95% confidence interval for the mean pharmacy sales in each city.

c.

To determine

Find the proportion of stores with sales of $50,000 or more.

d.

To determine

Obtain an approximate 95% confidence interval for the proportion of stores with sales of $50,000 or more.

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Answer 2

Question

Chapter 21.5, Problem 11E

a.

To determine

Find the mean pharmacy sale for each city (stratum).

b.

To determine

Obtain an approximate 95% confidence interval for the mean pharmacy sales in each city.

c.

To determine

Find the proportion of stores with sales of $50,000 or more.

d.

To determine

Obtain an approximate 95% confidence interval for the proportion of stores with sales of $50,000 or more.

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Answer 3

Question

Chapter 21.5, Problem 11E

a.

To determine

Find the mean pharmacy sale for each city (stratum).

b.

To determine

Obtain an approximate 95% confidence interval for the mean pharmacy sales in each city.

c.

To determine

Find the proportion of stores with sales of $50,000 or more.

d.

To determine

Obtain an approximate 95% confidence interval for the proportion of stores with sales of $50,000 or more.

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Answer 4

Question

Chapter 21.5, Problem 11E

a.

To determine

Find the mean pharmacy sale for each city (stratum).

b.

To determine

Obtain an approximate 95% confidence interval for the mean pharmacy sales in each city.

c.

To determine

Find the proportion of stores with sales of $50,000 or more.

d.

To determine

Obtain an approximate 95% confidence interval for the proportion of stores with sales of $50,000 or more.

Expert Solution & Answer

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Answer 5

Chapter 21.5, Problem 11E

a.

To determine

Find the mean pharmacy sale for each city (stratum).

b.

To determine

Obtain an approximate 95% confidence interval for the mean pharmacy sales in each city.

c.

To determine

Find the proportion of stores with sales of $50,000 or more.

d.

To determine

Obtain an approximate 95% confidence interval for the proportion of stores with sales of $50,000 or more.

Answer 6

Chapter 21.5, Problem 11E

a.

To determine

Find the mean pharmacy sale for each city (stratum).

Answer 7

Chapter 21.5, Problem 11E

a.

To determine

Find the mean pharmacy sale for each city (stratum).

Answer 8

b.

To determine

Obtain an approximate 95% confidence interval for the mean pharmacy sales in each city.

Answer 9

b.

To determine

Obtain an approximate 95% confidence interval for the mean pharmacy sales in each city.

Answer 10

c.

To determine

Find the proportion of stores with sales of $50,000 or more.

Answer 11

c.

To determine

Find the proportion of stores with sales of $50,000 or more.

Answer 12

d.

To determine

Obtain an approximate 95% confidence interval for the proportion of stores with sales of $50,000 or more.

Answer 13

d.

To determine

Obtain an approximate 95% confidence interval for the proportion of stores with sales of $50,000 or more.

Answer 14

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Answer 15

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Answer 16

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Answer 17

Ch. 21.4 - 1. Simple random sampling was used to obtain a...Ch. 21.4 - Prob. 2E Ch. 21.4 - Prob. 3E Ch. 21.4 - Prob. 4E Ch. 21.4 - Prob. 5E Ch. 21.4 - Prob. 6E Ch. 21.5 - 7. A stratified simple random sample was taken...Ch. 21.5 - Prob. 8E Ch. 21.5 - Prob. 9E Ch. 21.5 - 10. A population was divided into three strata...

Find the mean pharmacy sale for each city (stratum).

Solution Summary: The author calculates the mean pharmacy sales for each city (stratum). The data represent the sales data (in thousands of dollars) taken from a sample survey.

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Find the mean pharmacy sale for each city (stratum).

Obtain an approximate 95% confidence interval for the mean pharmacy sales in each city.

Find the proportion of stores with sales of $50,000 or more.

Obtain an approximate 95% confidence interval for the proportion of stores with sales of $50,000 or more.

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Chapter 21 Solutions