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Employees according to job performance and attitude

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1) Managers rate employees according to job performance and attitude. The results for several randomly selected employees are given below and their regression equation is

attitude =11.7+1.02 performance

performance -- 59, 63,65,69,58,77,76,69,70,64

Attitude -- 72,67,78,82,75,87,92,83,87,78

Find the residual of a performance score of 63.

2) A study compared the body weight (in Kg) and the brain weight (in grams) for a sample of 20 mammals. It was determined that the linear correlation coefficient is 0.0099. What is the value of the correlation coefficient indicating?

Reference no: EM132465229

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