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The accompanying data are the number of wins and the earned run averages​ (mean number of...

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Statistics

The accompanying data are the number of wins and the earned runaverages​ (mean number of earned runs allowed per nine innings​pitched) for eight baseball pitchers in a recent season. Find theequation of the regression line. Then construct a scatter plot ofthe data and draw the regression line. Then use the regressionequation to predict the value of y for each of the given​ x-values,if meaningful. If the​ x-value is not meaningful to predict thevalue of​ y, explain why not.

​(a) x=5 wins ​(b) x=10 wins ​(c) x=21 wins ​(d) x=15 wins. Theequation of the regression line is y with equals ____xplus ______.​(Round to two decimal places as​ needed.)

​Wins, x

Earned run​average, y

20

2.75

18

3.32

17

2.66

16

3.77

14

3.88

12

4.25

11

3.76

9

5.06

Answer & Explanation Solved by verified expert
4.3 Ratings (740 Votes)
GivenWins xEarned runaverage y202751833217266163771438812425113769506In general the linear regression equation is given asY b0 b1 Xb0 and b1 are obtained solving the following normalequationsn number of observations 8Wins XEarned runaverage    See Answer
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