Chapter 14.xlsx - Correlation coefficient x 4 8 3 6 6 y 6 9...

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Correlation coefficient x y xy x2 y2 4 6 24 16 36 8 9 72 64 81 3 4 12 9 16 6 4 24 36 16 6 6 36 36 36 27 29 168 161 185 n 5 r 0.713 Hypothesis test to determine the significance of the Population Correlation Coeffic r 0.713 n 5 t 1.761 Simple linear regresion Engine_Size MPG xy x2 y2 2.3 25 57.5 5.29 625 2.1 30 63 4.41 900 2.5 25 62.5 6.25 625 3.3 21 69.3 10.89 441 3.6 22 79.2 12.96 484 2.1 27 56.7 4.41 729 2.4 25 60 5.76 625 2.1 30 63 4.41 900 3.7 21 77.7 13.69 441 24.1 226 588.9 68.07 5770 n 9 b1 -4.604 SST

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