Based on the data shown below, calculate the regression line (each value to two decimal places)...

Question

Question

Answer 1

Answer #1

Slope of the regression equation is

$b=r\cdot \frac{s_{y}}{s_{x}}=-0.9829\cdot \frac{6.7658}{3.6056}=1.8444$

The Y intercept of equation is

$a=\bar{y}-b\bar{x}=23.7933-1.8444\cdot 9.5=6.2715$

Equation of regression line is

$\hat{y}=6.27+1.84x$

Answer 2

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