y.hat = 130.419+0.6522x Fitted line data points 175 height cm 165 160 45 50 55 60 65 weight kg Summary statistics: Sample size n = 8 x = 57.625, s, =9.5459, ), (x; - x)2 -6317.875 y = 168, sy =6.3696, E, (vi - >)7 -284 SXY = [.(x - X)(Vi - y) =416 r = cor(x, y) - (=) . (8 x ) (2 2 ) = 0.9774 Find parameters in the fitted equation by hand: Population model equation: Y, = Bo + BIX; + i, e; ~ID N(0, 62) Estimated model equation: y = Bo + Bix = a + b x = 130.419 + 0.6522x