In the example from lecture concerning making community service a requirement, suppose the percentages had been exactly the same, but the sample sizes were 4 times as big: 180 out of 360 students (50%) at the first school are in favor 168 out of 400 students (42%) at the second school are in favor What is the new p value? Choose the value that is closest. a. 0.7% b. 1.4% c. 2.2% d. 2.8%

In the example from lecture concerning making community service a requirement, suppose the percentages had been exactly the same, but the sample sizes were 4 times as big: 180 out of 360 students (50%) at the first school are in favor 168 out of 400 students (42%) at the second school are in favor What is the new p value? Choose the value that is closest. a. 0.7% b. 1.4% c. 2.2% d. 2.8%

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.6: Summarizing Categorical Data

Problem 10CYU

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Question

In the example from lecture concerning making community service a requirement, suppose the percentages had been exactly the same, but the sample sizes were 4 times as big:

180 out of 360 students (50%) at the first school are in favor
168 out of 400 students (42%) at the second school are in favor

What is the new p value? Choose the value that is closest.

a. 0.7%

b. 1.4%

c. 2.2%

d. 2.8%

Definition Definition Number of subjects or observations included in a study. A large sample size typically provides more reliable results and better representation of the population. As sample size and width of confidence interval are inversely related, if the sample size is increased, the width of the confidence interval decreases.

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