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STATISTICAL ANALYSIS 2 (MULTIPLE LINEAR REGRESSION) MANUAL COMPUTATION A study was performed on wear of a bearing y and its relationship to X1 = 35

STATISTICAL ANALYSIS 2 (MULTIPLE LINEAR REGRESSION)

MANUAL COMPUTATION

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A study was performed on wear of a bearing y and its relationship to X1 = 35 points oil viscosity and X2 = load. The following data were obtained. (a) Find the equation of the line using matrix approach. (b) Predict wear when oil viscosity is 20 and load is 1200. NOTE: Type the equation of the line and the predicted y (yhut) value on the ANSWER. Submit solution copy. * I 31 M g 3| 92 193 1.6 85] 230 15.5 816 172 22.0 1053 91 43.0 120' 113 33.0 I35? 125 40.0 1115

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