Because elderly people may have difficulty standing to have their height measured, a study looked at the relationship between overall height and height to the knee. Here are data (in centimeters) for five elderly men: Knee Height x 56.8 46.7 40.6 43.6 52.9 191.1 154.4 144.4|162.5 172.7 Height y For this data, it is known that Ex = 240.6, E y = 825.1, Ex? = 11754.86, Ey = 137441.47 and Exy = 40148.43. What is the equation of the least-squares regression line for predicting height from knee height? ANSWER: ŷ = Compute the linear correlation coefficient of these data, correct to four decimal places. ANSWER: Predict the mean height of an elderly man with a knee height of 58 centimeters. ANSWER: Assume known that s, = 7.47858. Find a 99% confidence interval for the mean height of an elderly man with a knee height of 58 centimeters.

Because elderly people may have difficulty standing to have their height measured, a study looked at the relationship between overall height and height to the knee. Here are data (in centimeters) for five elderly men: Knee Height x 56.8 46.7 40.6 43.6 52.9 191.1 154.4 144.4|162.5 172.7 Height y For this data, it is known that Ex = 240.6, E y = 825.1, Ex? = 11754.86, Ey = 137441.47 and Exy = 40148.43. What is the equation of the least-squares regression line for predicting height from knee height? ANSWER: ŷ = Compute the linear correlation coefficient of these data, correct to four decimal places. ANSWER: Predict the mean height of an elderly man with a knee height of 58 centimeters. ANSWER: Assume known that s, = 7.47858. Find a 99% confidence interval for the mean height of an elderly man with a knee height of 58 centimeters.

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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