Statistics: Informed Decisions Using Data (4th Edition)

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

Chapter 15 - Section 15.2 - Assess Your Understanding - Explaining the Concepts - Page 744: 20

Answer

As the p-value is very small for too few or too many runs, it provides strong evidence against the null hypothesis that the data is random.

Work Step by Step

For a randomness test, the null hypothesis is rejected for a p-value smaller than 0.05. Too few or too many runs result in a smaller p-value, which provides strong evidence against the null hypothesis. Hence, the null hypothesis is rejected.
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