Question: A regression between foot length (response variable in cm) and height (explanatory variable in inches) for 42 students resulted in the following regression equation: y

A regression between foot length (response variable in cm) and height (explanatory variable in inches) for 42 students resulted in the following regression equation:

y = 10.4 + 0.21x

If a student happened to be extraordinarily tall (say, 10ft, just for the fun of it) and had a foot size of 25 cm, how might this affect the slope of the regression line?

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