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Type numbers in the boxes. Given the following summary statistics, determine the regression equation used to predict y from x

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Answer #1

Now,

Slope=\beta_1=\frac{s_{xy}}{s_{x}^2}=\frac{rs_xs_y}{s_{x}^2}=\frac{rs_{y}}{s_x}=\frac{(0.6)(1.94)}{1.71}=0.6807\approx 0.68and,

y-intercept=\beta_0=\overline{y}-\beta_1\overline{x}= 74.51-(0.68)(21.57)=54.8424\approx 54.84

which are the required values.

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