Perform a hypothesis test to determine whether the proportion of adults using social networking sites is equal for all countries.at 0.10 level of significance. Find the p -value and draw conclusions.

Question

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Answer 1

Question

Chapter 12.1, Problem 7E

a.

To determine

Perform a hypothesis test to determine whether the proportion of adults using social networking sites is equal for all countries.at 0.10 level of significance.

Find the p-value and draw conclusions.

b.

To determine

Find the sample proportions for each of the four countries.

Find the country that has the largest proportion of adults using social networking sites.

c.

To determine

Perform a multiple comparison test among the four countries at α=0.05 level of significance.

Draw conclusions.

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Answer 2

Question

Chapter 12.1, Problem 7E

a.

To determine

Perform a hypothesis test to determine whether the proportion of adults using social networking sites is equal for all countries.at 0.10 level of significance.

Find the p-value and draw conclusions.

b.

To determine

Find the sample proportions for each of the four countries.

Find the country that has the largest proportion of adults using social networking sites.

c.

To determine

Perform a multiple comparison test among the four countries at α=0.05 level of significance.

Draw conclusions.

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Answer 3

Question

Chapter 12.1, Problem 7E

a.

To determine

Perform a hypothesis test to determine whether the proportion of adults using social networking sites is equal for all countries.at 0.10 level of significance.

Find the p-value and draw conclusions.

b.

To determine

Find the sample proportions for each of the four countries.

Find the country that has the largest proportion of adults using social networking sites.

c.

To determine

Perform a multiple comparison test among the four countries at α=0.05 level of significance.

Draw conclusions.

Expert Solution & Answer

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Answer 4

Question

Chapter 12.1, Problem 7E

a.

To determine

Perform a hypothesis test to determine whether the proportion of adults using social networking sites is equal for all countries.at 0.10 level of significance.

Find the p-value and draw conclusions.

b.

To determine

Find the sample proportions for each of the four countries.

Find the country that has the largest proportion of adults using social networking sites.

c.

To determine

Perform a multiple comparison test among the four countries at α=0.05 level of significance.

Draw conclusions.

Expert Solution & Answer

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Answer 5

Chapter 12.1, Problem 7E

a.

To determine

Perform a hypothesis test to determine whether the proportion of adults using social networking sites is equal for all countries.at 0.10 level of significance.

Find the p-value and draw conclusions.

b.

To determine

Find the sample proportions for each of the four countries.

Find the country that has the largest proportion of adults using social networking sites.

c.

To determine

Perform a multiple comparison test among the four countries at α=0.05 level of significance.

Draw conclusions.

Answer 6

Chapter 12.1, Problem 7E

a.

To determine

Perform a hypothesis test to determine whether the proportion of adults using social networking sites is equal for all countries.at 0.10 level of significance.

Find the p-value and draw conclusions.

Answer 7

Chapter 12.1, Problem 7E

a.

To determine

Perform a hypothesis test to determine whether the proportion of adults using social networking sites is equal for all countries.at 0.10 level of significance.

Find the p-value and draw conclusions.

Answer 8

b.

To determine

Find the sample proportions for each of the four countries.

Find the country that has the largest proportion of adults using social networking sites.

Answer 9

b.

To determine

Find the sample proportions for each of the four countries.

Find the country that has the largest proportion of adults using social networking sites.

Answer 10

c.

To determine

Perform a multiple comparison test among the four countries at α=0.05 level of significance.

Draw conclusions.

Answer 11

c.

To determine

Perform a multiple comparison test among the four countries at α=0.05 level of significance.

Draw conclusions.

Answer 12

Expert Solution & Answer

Answer 13

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Answer 14

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Answer 15

Ch. 12.1 - Use the sample data below to test the...Ch. 12.1 - reconsider the observed frequencies in exercise 1...Ch. 12.1 - Late Flight Comparison Across Airlines. The sample...Ch. 12.1 - Electronic Component Supplier Quality Comparison....Ch. 12.1 - Prob. 5E Ch. 12.1 - Error Rates in Tax Preparation. A tax preparation...Ch. 12.1 - Prob. 7E Ch. 12.1 - Prob. 8E Ch. 12.2 - The following table contains observed frequencies...Ch. 12.2 - The following table contains observed frequencies...

Perform a hypothesis test to determine whether the proportion of adults using social networking sites is equal for all countries.at 0.10 level of significance. Find the p -value and draw conclusions.

Solution Summary: The author states the hypothesis test to determine whether the proportion of adults using social networking sites is equal for all countries.

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Perform a hypothesis test to determine whether the proportion of adults using social networking sites is equal for all countries.at 0.10 level of significance.

Find the p-value and draw conclusions.

Find the sample proportions for each of the four countries.

Find the country that has the largest proportion of adults using social networking sites.

Perform a multiple comparison test among the four countries at α=0.05 level of significance.

Draw conclusions.

Want to see the full answer?

Chapter 12 Solutions

Perform a hypothesis test to determine whether the proportion of adults using social networking sites is equal for all countries.at 0.10 level of significance. Find the p -value and draw conclusions.

Solution Summary: The author states the hypothesis test to determine whether the proportion of adults using social networking sites is equal for all countries.

Concept explainers

Videos

Perform a hypothesis test to determine whether the proportion of adults using social networking sites is equal for all countries.at 0.10 level of significance. Find the p-value and draw conclusions.

Find the sample proportions for each of the four countries. Find the country that has the largest proportion of adults using social networking sites.

Perform a multiple comparison test among the four countries at α=0.05 level of significance. Draw conclusions.

Want to see the full answer?

Chapter 12 Solutions

Perform a hypothesis test to determine whether the proportion of adults using social networking sites is equal for all countries.at 0.10 level of significance.

Find the p-value and draw conclusions.

Find the sample proportions for each of the four countries.

Find the country that has the largest proportion of adults using social networking sites.

Perform a multiple comparison test among the four countries at α=0.05 level of significance.

Draw conclusions.