A regression equation for y hand span cm and x height, Ask an Expert

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A regression equation for y = hand span (cm) and x = height (inches) was discussed in Section 3.2. If the roles of the variables are reversed and only women are considered, the regression equation is

Average height = 51.1 + 0.7 (Handspan).

a. Interpret the slope of 0.7 in terms of how height changes as hand span increases.

b. What is the estimated average height of women with a hand span of 20 cm?

c. Molly has a hand span of 20 cm and is 66.5 inches tall. What is the prediction error (residual) for Molly?

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Statistics and Probability, Statistics

Category:- Statistics and Probability
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