We are hiring new housekeeping staff. We are interested in predicting how long we can expect our new hires to remain with the company based on their age when we hire them. Below, see the records of previous employees that we hired and how long they stayed with the company.   Age at hire Years with Company 22 17 19 10 30 10.5 31 11 32 15 45 6 48 11 49 5.2 68 3 65 4.2                               Create a scatterplot of this data and comment on the relationship between the variables Calculate the correlation coefficient between these two variables Does a linear relationship exist? Calculate the least squares regression equation Using your equation, predict how long we would expect a 43 year old new hire to remain with the company

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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  • We are hiring new housekeeping staff. We are interested in predicting how long we can expect our new hires to remain with the company based on their age when we hire them. Below, see the records of previous employees that we hired and how long they stayed with the company.  

Age at hire

Years with Company

22

17

19

10

30

10.5

31

11

32

15

45

6

48

11

49

5.2

68

3

65

4.2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

  1. Create a scatterplot of this data and comment on the relationship between the variables
  2. Calculate the correlation coefficient between these two variables
  3. Does a linear relationship exist?
  4. Calculate the least squares regression equation
  5. Using your equation, predict how long we would expect a 43 year old new hire to remain with the company
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