The regression analysis should not be done. • The regression analysis should be done. Find the equation of the regression line. Round the coefficients to at least three decimal places. y'= a+ bx -120.306 b = 7.519 If a service person is 26.7 years old, predict the time that the person will serve. Round the answer to at least one decimal place. The service person will serve 80.45 months.

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Chapter1: Starting With Matlab
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Average Age and Length of Service The data show the average ages and lengths of service in months.
Age
24.8
25.4
26.3
26.7
27.1
Time
66.3
71
72.5
88.2
80.2
Send data to Excel
The correlation coefficient for the data is r = 0.824 and a= 0.05. should regression analysis be done?
The regression analysis should not be done.
• The regression analysis should be done.
Find the equation of the regression line. Round the coefficients to at least three decimal places.
y'= a+bx
a = -120.306
b = 7.519
If a service person is 26.7 years old, predict the time that the person will serve. Round the answer to at least one
decimal place.
The service person will serve 80.45 months.
Transcribed Image Text:Average Age and Length of Service The data show the average ages and lengths of service in months. Age 24.8 25.4 26.3 26.7 27.1 Time 66.3 71 72.5 88.2 80.2 Send data to Excel The correlation coefficient for the data is r = 0.824 and a= 0.05. should regression analysis be done? The regression analysis should not be done. • The regression analysis should be done. Find the equation of the regression line. Round the coefficients to at least three decimal places. y'= a+bx a = -120.306 b = 7.519 If a service person is 26.7 years old, predict the time that the person will serve. Round the answer to at least one decimal place. The service person will serve 80.45 months.
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