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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
The personnel department of a certain industrial firm used 12 subjects in a study to determine the relationship between job performance rating (y) and scores on four tests. The data are as follows:
y |
x1 |
x2 |
x3 |
x4 |
11.2 |
56.5 |
71.0 |
38.5 |
43.0 |
14.5 |
59.5 |
72.5 |
38.2 |
44.8 |
17.2 |
69.2 |
76.0 |
42.5 |
49.0 |
17.8 |
74.5 |
79.5 |
43.4 |
56.3 |
19.3 |
81.2 |
84.0 |
47.5 |
60.2 |
24.5 |
88.0 |
86.2 |
47.4 |
62.0 |
21.2 |
78.2 |
80.5 |
44.5 |
58.1 |
16.9 |
69.0 |
72.0 |
41.8 |
48.1 |
14.8 |
58.1 |
68.0 |
42.1 |
46.0 |
20.0 |
80.5 |
85.0 |
48.1 |
60.3 |
13.2 |
58.3 |
71.0 |
37.5 |
47.1 |
22.5 |
84.0 |
87.2 |
51.0 |
65.2 |
Estimate the regression coefficients in the model
 = b0 + b1x1 + b2x2 + b3x3 + b4x4.
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