A clinic manager wishes to find out whether age of her employees has an impact on the number of sick days they take each year. The data for the sample are shown:Age18205839482653Day1692108127The linear regression equation is given by:ŷ =−0.223X+17.48 and r2=0.699b. Determine the slope.c. Determine |r|Interpret r :Determine critical r value at 5% significance level and determine if there is a significant linear correlation exists.Linear Correlation:Predict the number of sick days taken of an employee who is 35 years old.

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

A clinic manager wishes to find out whether age of her employees has an impact on the number of sick days they take each year. The data for the sample are shown:

Age	18	20	58	39	48	26	53
Day	16	9	2	10	8	12	7

The linear regression equation is given by:

ŷ =−0.223X+17.48 and r2=0.699

b. Determine the slope.
c. Determine |r|
Interpret r :
Determine critical r value at 5% significance level and determine if there is a significant linear correlation exists.
Linear Correlation:
Predict the number of sick days taken of an employee who is 35 years old.

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