Question: Solve the question the attachment. We consider linear regression with known standard deviation 0 =1. After collecting 48 data points, we have the following summary

Solve the question the attachment.

We consider linear regression with known standard deviation 0 =1. After collecting 48 data points, we have the following summary statistics: 48 48 48 48 X; = -5.671304, Li = 33.06696, _(X; - X)2 = 44.12922, (Y; - Y)2 = 236.5728 and 48 E(Xi - X) ( Y; - Y) = 88.99019. i= 1 Predict the y-value Y49 that would be paired with a new x-value X49 = 3. Number

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