Question: A farmer collected the following data, which show crop yields for various amounts of fertilizer used. (a) Calculate the least-squares regression line for these data.

A farmer collected the following data, which show crop yields for various amounts of fertilizer used.
A farmer collected the following data, which show crop yields

(a) Calculate the least-squares regression line for these data.
(b) Plot the points and the least-squares regression line on the same graph.

Fertlizer (pounds/100 sq. ft 0 4 8 10 15 18 20 25 Yield (bushels) 6 7 10 13 7 18 22 23

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