The personnel department of a certain industrial rm used
Chapter 12, Problem 12.15(choose chapter or problem)
The personnel department of a certain industrial rm 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: yx 1 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 coecients in the model y = b0 + b1x1 + b2x2 + b3x3 + b4x4.
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