Statistics: Informed Decisions Using Data (4th Edition)

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

Chapter 12 - Section 12.2 - Assess Your Understanding - Applying the Concepts - Page 610: 9a

Answer

$X_0^2=182.174$ with a P-value $\ltα$. Reject the null hypothesis. There is enough evidence to conclude that health and happiness are related.

Work Step by Step

$H_0:$ health and happiness are not related. versus $H_1:$ health and happiness are related. In MINITAB, enter the given values: 1-C1 = 271, 1-C2 = 261, 1-C3 = 82, 1-C4 = 20 2-C1 = 247, 2-C2 = 567, 2-C3 = 231, 2-C4 = 53 3-C1 = 33, 3-C2 = 103, 3-C3 = 92, 3-C4 = 36 Select Stat -> Tables -> Chi-Square Test for Association Select "Summarized data in a two-way table" In columns containing the table enter: C1 C2 C3 C4 Click OK. $X_0^2=182.174$ with a P-value $\lt0.001\ltα=0.05$
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