Employees
Age
Salary
Mary
23
28.6
Frieda
31
53.3
Alicia
44
73.8
Tom
22
26.0
Gillian
25
34.3
Bob
54
63.5
Vivian
51
96.4
Cacil
60
122.9
Barry
40
63.8
Jaime
64
111.1
Wanda
34
82.5
Sam
63
80.4
Saundra
40
69.3
Pete
31
52.8
steve
28
54.0
Juan
36
58.7
Dave
58
72.3
Lee
52
88.6
Judd
43
60.2
Sunil
28
61.0
Marcia
54
75.8
Ellen
44
79.8
Iggy
36
70.2
Can we conclude that employee age helps in predicting average
employee salary? Follow the 7 steps...
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Question
Basic Math
Employees
Age
Salary
Mary
23
28.6
Frieda
31
53.3
Alicia
44
73.8
Tom
22
26.0
Gillian
25
34.3
Bob
54
63.5
Vivian
51
96.4
Cacil
60
122.9
Barry
40
63.8
Jaime
64
111.1
Wanda
34
82.5
Sam
63
80.4
Saundra
40
69.3
Pete
31
52.8
steve
28
54.0
Juan
36
58.7
Dave
58
72.3
Lee
52
88.6
Judd
43
60.2
Sunil
28
61.0
Marcia
54
75.8
Ellen
44
79.8
Iggy
36
70.2
Can we conclude that employee age helps in predicting averageemployee salary? Follow the 7 steps for hypothesis testing. (10points)
Find the sample regression equation and interpret thecoefficients. Remember your interpretations should be in terms ofthe problem. (4 points)
Find the coefficient of determination, and interpret its value.(3 points)
Use residual analysis to check the validity of the model andfully explain your findings and conclusions. (6 points)
Estimate with 95% confidence the average employee salary forall employees that are 35 years old. Predict with 95% confidencethe estimated salary for an individual employee that is 35 yearsold. Write at least one sentence using your confidence interval andat least one sentence using your prediction interval. (6points)
Verify that the p-value for the F is the sameas the slope’s t statistic’s p-value, and show thatt2 = F. (3 points)
Attach or include the relevant Minitab output. (6 points)
Answer & Explanation
Solved by verified expert
3.6 Ratings (272 Votes)
The regression output isFind the sample regression equation and interpret thecoefficients Remember your interpretations should be in terms ofthe problem 4 pointsThe regression equation isSalary 81906 14474AgeThe constant is meaningless since age cannot be zeroThe coefficient age interprets that when age increases by 1 thesalary will increase by 14474Find the coefficient of determination and interpret itsvalue 3 pointsThe coefficient of determination value
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