題組內容

II.(i) Assume that X has a linear impact on Y in the population as Y = α + βX + ε . We have 22 random samples of ( X , Y ) , and have 616927916b879.jpg and R2 = 0.36 .

(2) 616927c0e5d7b.jpg? Does X have significant impact on Y ? ( α = 0.05 ).(4%)
               616927ec6cd6a.jpg = 0.05 .