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The state criminology lab must sometimes estimate a person's height from partial skeleton remains. A random sample of eight adult male X-rays gave the following information, measured in inches:

Length of femur (thigh bone) 17.5 20 21 19 15.5 18.5 16 18
Height 50 80 78 73 63 71 64 71

(a) Find the equation of the regression line for predicting Height from the Length of femur.

(b) Find a 90% confidence interval for the slope, which is the expected increase in Height for each one inch increase in femur length.

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M91003549

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