One day in gym class students took a physical fitness test bydoing push-ups and sit-ups. The standard deviation of the number of sit-ups they were able to do was 7 and the stand-ard deviation of the number of push-ups was 2. A Statistics student used these data to create a least squares regressionline to predict the number of sit-ups a student was able to dobased on the number of push-ups the student did. Which ofthe following could NOT be the slope of that line?A) -2 B) -0.5 C) 1D) 3 E) 4

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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One day in gym class students took a physical fitness test by
doing push-ups and sit-ups. The standard deviation of the
number of sit-ups they were able to do was 7 and the stand-
ard deviation of the number of push-ups was 2. A Statistics
student used these data to create a least squares regression
line to predict the number of sit-ups a student was able to do
based on the number of push-ups the student did. Which of
the following could NOT be the slope of that line?
A) -2 B) -0.5 C) 1
D) 3 E) 4
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