The Basic Practice of Statistics 7th Edition

Published by W. H. Freeman
ISBN 10: 146414253X
ISBN 13: 978-1-46414-253-6

Chapter 27 - One-Way Analysis of Variance: Comparing Several Means - Apply Your Knowledge - Page 650: 27.2b

Answer

See below.

Work Step by Step

The height of the bar for male anger is approximately $6.4$, the height of the bar for female anger is approximately $3.8$, thus the estimate of the mean difference is the difference of the estimations of the heights of the bars is: $6.4-3.8=2.6$. (The males have higher mean status because their bar is higher.)
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