Statistics: Informed Decisions Using Data (4th Edition)

Published by Pearson
ISBN 10: 0321757270
ISBN 13: 978-0-32175-727-2

Chapter 10 - Section 10.3 - Assess Your Understanding - Applying the Concepts - Page 506: 37c

Answer

There are 8 samples out of 100 in which null hypothesis gets rejected and yes, it is close to the expected number of samples that result in type I error.

Work Step by Step

The p-values of samples 4, 82, 34, 35, 94, 24, 76, and 57 are 0.000, 0.001, 0.003, 0.008, 0.012, 0.013, 0.036, and 0.036, respectively. All are less than 0.05, so null hypothesis gets rejected. So, there are 8 samples out of 100 in which the null hypothesis gets rejected. Yes, the number of samples are close to the expected number of samples in type I error.
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