Calculate the least-squares regression line

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

Fertilizer (pounds/100 sq. ft)

0

4

8

10

15

18

20

25

Yield (bushels)

6

7

10

13

17

18

22

23

(a) Calculate the least-squares regression line for these data.

(b) Plot the points and the least-squares regression line on the same graph.

Reference no: EM13963902

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