Multiple Choice
The size of the average U.S.farm has been growing steadily over the years.The following data, obtained from the U.S.Department of Agriculture, gives the size of the average farm y (in acres) from 1940 through 1991. (Here, x = 0 corresponds to the beginning of the year 1940.) Find the equation of the least-squares line for these data.Use the equation found to estimate the size of the average farm in the year 2005.
A) y = 8.59x + 139; 697 acres
B) y = 6.26x + 167; 574 acres
C) y = 7.4x + 139; 620 acres
D) y = 7.4x + 139; 14,976 acres
Correct Answer:

Verified
Correct Answer:
Verified
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