Solution :
Given that, Height x as 766,620,520,508,494,484
Stories y as 51,46,45,43,37,36
=> The regression equation is y^ = 0.044*x + 17.91
=> Option C. graph
(a)
=> when x = 502 feet
=> The best predicted value of y for x = 502 feet is
y^(502) = 0.044*502 + 17.91
= 39.998
(b)
=> when x = 646 feet
=> The best predicted value of y for x = 646 feet is
y^(646) = 0.044*646 + 17.91
= 46.334
(c)
=> when x = 315 feet
=> The best predicted value of y for x = 315 feet is
y^(315) = 0.044*315 + 17.91
= 31.770
(d)
=> when x = 726 feet
=> The best predicted value of y for x = 726 feet is
y^(726) = 0.044*726 + 17.91
= 49.854
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