The following data, compiled by the superintendent of schools in a large metropolitan area, shows the average SAT verbal scores of high school seniors during the 5 years since the district implemented its "back-to-basics" program.
Year, x12345Average Score, y436438428430426?
Determine the equation of the least-squares line for these data. Use the result obtained to predict the average SAT verbal score of high school seniors 2 years from now (x = 7). Please round your answer to the nearest whole number.
?

A.
B. ?
C. ?
D. ?


Answer: C

Mathematics

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A. no solution
B.
C.
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