A dataset contains 80 observations of y vs x.

S²_x = 1.09

A dataset contains 80 observations of y vs x. S2= 1.09 Say = 36.552 bo = 42.59 b1 = 3.835 xbar = 9.937 A. Find Ix,y, R2, SST, SSR, SSE, MSE, Se , Sbi. B. Is there evidence that Betal is greater than 0? Use alpha =.05. C. Construct a 90% CI for Betal and interpret it. D. Construct a 90% CI for muy, the true population mean of the y values