BuyFind

Statistics for Business & Economic...

12th Edition
David R. Anderson + 4 others
Publisher: South-Western College Pub
ISBN: 9781285846323
BuyFind

Statistics for Business & Economic...

12th Edition
David R. Anderson + 4 others
Publisher: South-Western College Pub
ISBN: 9781285846323

Solutions

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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