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4．What is the predicted value for sales of Company XYZ given industry sales of $3,500?
A) $900.00.
B) $883.72.
C) $994.88.
D) $978.60.
The correct answer was B)
The regression equation is Y = -94.88 + 0.2796 * X = -94.88 + 0.2796 * (3,500) = 883.72.
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发表于 2008-4-1 17:50
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