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4. (20 points. You are given the following pairs of observations on (C1, yi), i = 1, 2, 3, 4: 0 Yi 1 1 2 4 3 3 4 5 Consider t

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Yi = utui E = { uteui => 1+4+3+ 5 = 4x u to = 13 = 4x u => û = 13 = 3:25 (RE(ui) =ū =o) 1.5 Eni=0 xiyi x? - w 14 sl 2016 દર ક- 38 Amd xiyp = dxi +Bet tu xí ..Exeigi = <xi łax + ß £x* to => 38 = 1 x 10 + 2 x 30 => lo + 30 f - 38 >> 2 + 38 = 3.8 - © NoSlope of the timeo linear regression model ů = 1) rie, positive. So, the correlation between xi and y. is also position posit

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