Question
The personnel director of a large hospital is interested in determining the relationship (if any) between an employee's age and the number of sick days
The personnel director of a large hospital is interested in determining the relationship (if any) between an employee's age and the number of sick days the employee takes per year. The director randomly selects ten employees and records their age and the number of sick days which they took in the previous year.
Employee1
12
23
34
45
56
67
78
89
910
10Age30
3050
5040
4055
5530
3028
2860
6025
2530
3045
45Sick Days7
74
43
32
29
910
100
08
85
52
2Copy Data
The estimated regression equation and the standard error are given.
Sick Days=14.310162?0.236900(Age)
Sick Days=14.310162?0.236900(Age)
S
e
=1.682207
Se=1.682207
Find the90%
90%prediction interval for the average number of sick days an employee will take per year, given the employee is25
25. Round your answer to two decimal places.
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