Average Age and Length of Service The data show the average ages and lengths of service in months. 25.1 25.2 25.8 27 27.1 66.5 70.1 74 89 82 Age Time Send data to Excel The correlation coefficient for the data is r=0.946 and a=0.05. Should regression analysis be done? The regression analysis should not be done. O 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= b = If a service person is 26.5 years old, predict the time that the person will serve. Round the answer to at least one decimal place. The service person will serve months.
Average Age and Length of Service The data show the average ages and lengths of service in months. 25.1 25.2 25.8 27 27.1 66.5 70.1 74 89 82 Age Time Send data to Excel The correlation coefficient for the data is r=0.946 and a=0.05. Should regression analysis be done? The regression analysis should not be done. O 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= b = If a service person is 26.5 years old, predict the time that the person will serve. Round the answer to at least one decimal place. The service person will serve months.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.6: Regression And Median-fit Lines
Problem 1CYU
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Transcribed Image Text:Average Age and Length of Service The data show the average ages and lengths of service in months.
25.1
27.1
25.2 25.8 27
70.1 74
66.5
89
82
Age
Time
Send data to Excel
The correlation coefficient for the data is r=0.946 and a=0.05. Should regression analysis be done?
The regression analysis should not be done.
O The regression analysis should be done.
Find the equation of the regression line. Round the coefficients to at least three decimal places.
'=a+bx
a =
b =
If a service person is 26.5 years old, predict the time that the person will serve. Round the answer to at least one
decimal place.
The service person will serve months.
X
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