Suppose that the measurements of arm span and height were converted from centimeters to meters by dividing
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Suppose that the measurements of arm span and height were converted from centimeters to meters by dividing each measurement by 100. How will this conversion affect the values of r2 and s?
a. r2 will increase, s will increase.
b. r2 will increase, s will stay the same.
c. r2will increase, s will decrease.
d. r2 will stay the same, s will stay the same.
e. r2 will stay the same, s will decrease.
Measurements on young children in Mumbai, India, found this least squares line for predicting y = height (in cm) from x = arm span (in cm):
ŷ = 6.4 + 0.93x
Select the best answer.
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