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Answer :
Given, Least-square regression line representing the size of a house in square feet (x) and its selling price (ŷ) in thousand dollars isy = 160.194 +0.0992x
The correct option is (C).
We have to predict the selling price of a 2800 square feet house in thousands of dollars to the nearest integer.So, putting the value of x = 2800 in the equation of regression line, we get
y = 160.194 + 0.0992 × 2800
y = 160.194 + 277.36
y = 437.554 ≈ 438
Hence, the selling price of a 2800 square feet house in thousands of dollars to the nearest integer is 438.
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