How strongly do physical characteristics of sisters and brothers correlate? Here are data on the heights (in
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How strongly do physical characteristics of sisters and brothers correlate? Here are data on the heights (in inches) of 11 adult pairs:
a. Construct a scatterplot using brother’s height as the explanatory variable. Describe what you see.
b. Use technology to compute the least-squares regression line for predicting sister’s height from brother’s height.
c. Interpret the slope in context.
d. Calculate and interpret the residual for the first pair listed in the table.
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