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If a regression line is ŷ = 31.5 + 1.85x. estimate Y for X = 10.

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If a regression line is ŷ = 31.5 + 1.85x. estimate Y for X = 10.

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ŷ = 31.5 + 1.85x

Putting x = 10 in ŷ = 31.5 + 1.85 x, we get

ŷ = 31.5 + 1.85 (10)

= 31.5 + 18.5 = 50

Hence, the estimate of Y for X = 10 obtained is 50.

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