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23) Managers rate employees according to job performance and attitude. The results for several randomly selected...

23)

Managers rate employees according to job performance and attitude. The results for several randomly selected employees are given below.

Performance (x) / 9 / 8 / 5 / 3 / 3 / 1 / 6 / 4 / 3 / 4
Attitude (y)    / 5 / 2 / 1 / 8 / 4 / 3 / 2 / 9 / 3 / 10

Use the given data to find the linear correlation coefficient. Round the final values to three significant digits, if necessary.

Math   Statistics-And-Probability   
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Answer #1

Setting the table

Performance (X) Attitude (Y) XY X2 Y2
9 5 45 81 25
8 2 16 64 4
5 1 5 25 1
3 8 24 9 64
3 4 12 9 16
1 3 3 1 9
6 2 12 36 4
4 9 3 16 81
3 3 9 9 9
4 10 40 16 100
46 47 169 266 313

Please let me know if you have any doubts. Happy to help.Please thumbs up if you like the solution. Thanks

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