A regression of height x in inches on hourly earnings y in

Reference no: EM13629479

A regression of height (X, in inches) on hourly earnings (Y, in dollars), yields the following results:

n=26 SSR=200 SST=1000 r=.447 SX=3 Î£Yi=780 Î£Xi=1872

a. What is the value of ybar? b

b. What is the value of b1 in the regression Y=b0+b1X?

c. What is the variance of the regression? That is, what is the value of Se2?

d. What is the predicted hourly earnings for someone 67 inches tall? $25 What is the 99% confidence interval for Î²1 (true population slope coefficient).

Reference no: EM13629479

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