Determine The Least Square Equation
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Question
The accompanying data were compiled by the superintendent of schools in a large metropolitan area. The table shows the average SAT verbal scores of high school seniors during the 5 years since the district implemented its “back-to-basics” program.
Year x 1 2 3 4 5
Average Score y 430 432 430 426 426
Determine the equation of the least-squares line for these data.
a. y = –8/5x + 433
b. y = –7/5x + 428
c. y = 8/5x + 428
d. y = 8/5x + 433
e. y = –7/5x + 433
Summary
The question belongs to Mathematics and it is about finding least squares equation for the data.
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