Prob 12.13

# Prob 12.13 - 0.9772 R^2 = r x r = 0.9549 52.5 = Y, so x =...

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x y x^2 xy y^2 Y 22 9.6 484 211.200 92.160 27 9.6 729 259.200 92.160 32 10.1 1024 323.200 102.010 48 11.1 2304 532.800 123.210 65 13.5 4225 877.500 182.250 85 17.7 7225 1504.500 313.290 120 25.5 14400 3060.000 650.250 399.000 97.100 30391.000 6768.400 1555.330 sums 57.000 13.871 means b1 = (D9 - (7*A10*B10)) / (C9 - (7*A10^2)) = 0.1613 b0 = B10 - (E12*A10) = 4.677 r = (D9 - (7*A10*B10)) / SQRT( (C9-(7*A10^2)) * (E9-(7*B10^2)) ) =

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Unformatted text preview: 0.9772 R^2 = r x r = 0.9549 52.5 = Y, so x = 13.145 20 40 5 10 15 20 25 30 f(x) = 0.16x + 4.68 R = 0.95 adjusted g total deductions, y (\$K) 60 80 100 120 140 y Linear Regression for y gross income, x (\$K)...
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## Prob 12.13 - 0.9772 R^2 = r x r = 0.9549 52.5 = Y, so x =...

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