Given the following observations relating two variable: XI 3 5 6
8 9 YI 3 3 2 6 4 (a) What is the regression equation?
————————————–. (b) Compute SST
————-, SSR ————–, and SSE —————–. (c)
Compute the coefficient of determination r 2
——————————. Comment on the goodness of fit. (d)
What is the value of the correlation
coefficient?———————–. (e) Compute MSE ———-, s
——————, sb1 ————– , and test the significance
of relationship using the t-test with = 0.05. t-data is
————, t-crit. is ————. (f) For the expected value
of y at x=3, what is the 95% confidence interval?
————————–. Good