The table shows the Earned Run Average (ERA) and WHIP rating (walks plus hits per inning) for

Question:

The table shows the Earned Run Average (ERA) and WHIP rating (walks plus hits per inning) for the top 40 Major League Baseball pitchers in the 2017 season. Top pitchers will tend to have low ERA and WHIP ratings.

a. Make a scatterplot of the data and state the sign of the slope from the scatterplot. Use WHIP to predict ERA.

b. Use linear regression to find the equation of the best-fit line. Show the line on the scatterplot using technology or by hand.

c. Interpret the slope.

d. Interpret the y-intercept or explain why it would be inappropriate to do so.

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Introductory Statistics Exploring The World Through Data

ISBN: 9780135163146

3rd Edition

Authors: Robert Gould, Rebecca Wong, Colleen N. Ryan

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Question Posted: Jul 13, 2021 01:03 AM

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The table shows the Earned Run Average (ERA) and WHIP rating (walks plus hits per inning) for

Question:

WHIP ERA WHIP ERA 0.87 2.25 1.21 3.55 0.95 2.31 1.22 3.64 0.9 2.51 1.22 3.66 1.02 2.52 1.27 3.82 1.15 2.89 1.15 3.83 0.97 2.9 1.16 3.86

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Answer a Step 1 To determine Draw a scatterplot and state the sign of the slope Step 2 Answer The sign of the slope is positive Step 3 Explanation The ...View the full answer

Introductory Statistics Exploring The World Through Data

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