The height of a patient is useful for a variety of medical purposes, such as estimating tidal
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Summary quantities include (xi = 346,1, (yi = 2310, Sxx = 36.463571, Sxy = 137.60, Syy = 626.00.
a. Obtain the equation of the estimated regression line and interpret its slope.
b. Calculate and interpret the coefficient of determination.
c. Carry out a test of model utility.
d. Calculate prediction intervals for the heights of two individuals whose ulna lengths are 23 and 25, respectively; use a prediction level of 95% for each interval.
e. Based on the predictions of (d), would you agree with the statement in the cited article that "height can be predicted from ulna length with precision"?
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Related Book For
Probability And Statistics For Engineering And The Sciences
ISBN: 9781305251809
9th Edition
Authors: Jay L. Devore
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