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The following multiple regression model was developedto predict job performance as measured by a company jobperformance evaluation index based on a preemployment testscore and college grade point average (GPA):Wherey = 35 + 20x1 + 50x2y = job performance evaluation indexx 1 =preemployment test scorex2 =college GPAa) Forecast the job performance index for an applicant who hada 3.0 GPA and scored 80 on the preemployment test.                                                                                                                                                          b) Forecast the job performance index for an applicant who hada 2.5 GPA and scored 70 on the preemployment test.

The following multiple regression model was developedto predict job performance as measured by a company jobperformance evaluation index based on a preemployment testscore and college grade point average (GPA):Wherey = 35 + 20x1 + 50x2y = job performance evaluation indexx 1 =preemployment test scorex2 =college GPAa) Forecast the job performance index for an applicant who hada 3.0 GPA and scored 80 on the preemployment test.                                                                                                                                                          b) Forecast the job performance index for an applicant who hada 2.5 GPA and scored 70 on the preemployment test.

Practical Management Science
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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The following multiple regression model was developed
to predict job performance as measured by a company job
performance evaluation index based on a preemployment test
score and college grade point average (GPA):
Where
y = 35 + 20x1 + 50x2
y = job performance evaluation index
x 1 =preemployment test score
x2 =college GPA
a) Forecast the job performance index for an applicant who had
a 3.0 GPA and scored 80 on the preemployment test.                                                                                                                                                          b) Forecast the job performance index for an applicant who had
a 2.5 GPA and scored 70 on the preemployment test.
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