hompson Photo Works purchased several new, highly sophisticated processing machines. The production department needed some guidance with respect to qualifications needed by an operator. Is age a factor? Is the length of service as an operator (in years) important? To evaluate the factors needed to estimate performance on the new processing machines, four variables were selected: x1 = Length of time an employee was in the industry x2 = Mechanical aptitude test score x3 = Prior on-the-job rating x4 = Age Performance on the new machine is designated y. Thirty employees were randomly selected and data were collected for each of the variables. A few results follow: Performance on New Machine, Length of Time in Industry, Mechanical Aptitude Score, Prior On-the-Job Performance, Age, Name y x1 x2 x3 x4 Mike Miraglia 111 6 300 129 45 Sue Trythall 115 10 327 121 26 The equation is: yˆy^ = 10.8 + 0.7x1 + 0.386x2 + 0.112x3 + 0.001x4 d. As age increases by one year, how much does estimated performance on the new machine increase? (Round your answer to 3 decimal places.) The estimated performance increases by__________ e. Carl Knox applied for a job at Photo Works. He has been in the business for 3 years and scored 310 on the mechanical aptitude test. Carl’s prior on-the-job performance rating is 95, and he is 60 years old. Estimate Carl’s performance on the new machine. (Round your answer to 3 decima
Thompson Photo Works purchased several new, highly sophisticated processing machines. The production department needed some guidance with respect to qualifications needed by an operator. Is age a factor? Is the length of service as an operator (in years) important? To evaluate the factors needed to estimate performance on the new processing machines, four variables were selected:
x1 = Length of time an employee was in the industry
x2 = Mechanical aptitude test score
x3 = Prior on-the-job rating
x4 = Age
Performance on the new machine is designated y.
Thirty employees were randomly selected and data were collected for each of the variables. A few results follow:
| Performance on New Machine, | Length of Time in Industry, | Mechanical Aptitude Score, | Prior On-the-Job Performance, | Age, | ||||||
| Name | y | x1 | x2 | x3 | x4 | |||||
| Mike Miraglia | 111 | 6 | 300 | 129 | 45 | |||||
| Sue Trythall | 115 | 10 | 327 | 121 | 26 | |||||
The equation is:
yˆy^ = 10.8 + 0.7x1 + 0.386x2 + 0.112x3 + 0.001x4
d. As age increases by one year, how much does estimated performance on the new machine increase? (Round your answer to 3 decimal places.)
The estimated performance increases by__________
e. Carl Knox applied for a job at Photo Works. He has been in the business for 3 years and scored 310 on the mechanical aptitude test. Carl’s prior on-the-job performance rating is 95, and he is 60 years old. Estimate Carl’s performance on the new machine. (Round your answer to 3 decimal places.)
Estimated Performance____________
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