Statistics: Informed Decisions Using Data (4th Edition)

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

Chapter 4 - Section 4.1 - Assess Your Understanding - Applying the Concepts - Page 204: 38

Answer

The correlation coefficients. The correlation coefficient between the winning % and R is 0.410. The correlation coefficient between the winning % and HR is 0.210. The correlation coefficient between the winning % and Team batting is 0.288. The correlation coefficient between the winning % and On base is 0.363. The correlation coefficient between the winning % and Stolen base is 0.183. The correlation coefficient between the winning % and Double plays again is 0.038. The correlation coefficient between the winning % and At-bats per home is – 0.174. The correlation coefficient between the winning % and Batting average is – 0.653. The correlation coefficient between the winning % and Team ERA is– 0.729. The following steps need to be followed to find out the correlation coefficient: Step 1: Enter the data in Minitab. Step 2: Select the data and go on Stat→Basic→Correlation Coefficient. Select both the variables and press OK. Section 2 Team ERA happens to be the best predictor. Observing the values of the Pearson correlation coefficients, it can be seen that Team ERA has the highest value. Thus, it will be the best predictor.

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