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? In order to explore further the factors needed to estimate performance on the new processing machines, four variables were listed: 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 selected at random. Data were collected for each, and their performances on the new machines were recorded. A few results are: 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 118 11 343 122 50 Sue Trythall 116 8 307 128 21 The equation is: yˆ = 10.2 + 0.2x1 + 0.486x2 + 0.812x3 + 0.008x4 As age increases by one year, how much does estimated performance on the new machine increase? (Round your answer to 3 decimal places.)
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? In order to explore further the factors needed to estimate performance on the new processing machines, four variables were listed: 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 selected at random. Data were collected for each, and their performances on the new machines were recorded. A few results are: 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 118 11 343 122 50 Sue Trythall 116 8 307 128 21 The equation is: yˆ = 10.2 + 0.2x1 + 0.486x2 + 0.812x3 + 0.008x4 As age increases by one year, how much does estimated performance on the new machine increase? (Round your answer to 3 decimal places.)
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 10CYU
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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? In order to explore further the factors needed to estimate performance on the new processing machines, four variables were listed:
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 selected at random. Data were collected for each, and their performances on the new machines were recorded. A few results are:
| 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 | 118 | 11 | 343 | 122 | 50 | |||||
| Sue Trythall | 116 | 8 | 307 | 128 | 21 | |||||
The equation is:
yˆ
= 10.2 + 0.2x1 + 0.486x2 + 0.812x3 + 0.008x4
- As age increases by one year, how much does estimated performance on the new machine increase? (Round your answer to 3 decimal places.)
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