Question

# Following table, illustrate time x an employee spent in years for a typical company versus his/her...

Following table, illustrate time x an employee spent in years for a typical company versus his/her hourly pay y in dollars. Find average amount of years employee spent in a company and average hourly pay. Also, find the coefficient of correlation between these quantities.

 X (time in years ) 3 4 5 10 15 20 Y (hourly salary) 15 17 22 33 37 40

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Answer #1

solution

 X Y 3 15 -6.5 -12.33 42.25 152.0289 80.145 4 17 -5.5 -10.33 30.25 106.7089 56.815 5 22 -4.5 -5.33 20.25 28.4089 23.985 10 33 0.5 5.67 0.25 32.1489 2.835 15 37 5.5 9.67 30.25 93.5089 53.185 20 40 10.5 12.67 110.25 160.5289 133.035 57 164 47.5 136.67 2256.25 18678.69 6491.825

averate amount of year = 57/6 = 9.5years

average hourly pay = 164/6 = 27.33 dollar

cofficient of correlation

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