A researcher wishes to determine the relationship between the number of cows (in thousands) in counties in southwestern Pennsylvania and the milk production (in millions of pounds). After computing the least squares regression line, it is determined that r^2=0.9986. Which of the following is a correct interpretation of this value? Answer choices: a. About 99.86% of the changes in milk production are explained by changes in the number of cows. b. About 99.72% of the changes in milk production are explained by changes in the number of cows. c. About 99.86% of the changes in the number of cows are explained by changes in milk production. d. None of the other answers is a correct interpretation.
A researcher wishes to determine the relationship between the number of cows (in thousands) in counties in southwestern Pennsylvania and the milk production (in millions of pounds). After computing the least squares regression line, it is determined that r^2=0.9986. Which of the following is a correct interpretation of this value?
Answer choices:
a. About 99.86% of the changes in milk production are explained by changes in the number of cows.
b. About 99.72% of the changes in milk production are explained by changes in the number of cows.
c. About 99.86% of the changes in the number of cows are explained by changes in milk production.
d. None of the other answers is a correct interpretation.
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