ta. b) Assuming a 5% level of significance, use hypothesis testing and the linear correlation coefficient (r) to determine if there is a linear correlation. α = 0.05 c) Find the equation of the regression line and plot it on your scatter diagram using an x of 68 and an x of 71. d) Determine the residual value for an x of 70.5 and explain its meani
The following table lists heights (in inches) and weights (in pounds) for 9 supermodels:
Height (in.)_x__|__71____70.5____71____72____70____70____66.5____70____71_
Weight (lb) y | 125 119 128 128 119 127 105 123 115
Plot the
b) Assuming a 5% level of significance, use hypothesis testing and the linear
coefficient
c) Find the equation of the regression line and plot it on your scatter diagram using an x of 68
and an x of 71.
d) Determine the residual value for an x of 70.5 and explain its meaning.
e) Determine the coefficient of determination and explain its meaning.
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