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(Choose 1 answer)
☐ A
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A. -5+0.23x
B. 5.5+0.23x
C. 5.5x + 0.23
☐ E
D. -5x-0.23
E. None of the other choices is correct
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A mail-order firm is interested in estimating the number
of order that need to be processed on a given day from the
weight of the mail received. A close monitoring of the
mail on 4 randomly selected business days produced the results
below.
Find the equation of the least squares regression line
Λ
y= a + bx relating the number of orders to the weight of the mail.
Mail: x(pounds) 10 12 13 17
FUO.sh
sh the exam.
Orders: y
8
10 6 10
