10. If the coefficient of determination of the least-square linear function is . 15, which statement below is true?
(A). Years of education only account for 15% of variance of fluid intelligence
(B). The goodness-of-fit of the linear function is satisfactory
(C). The correlation between years of education and fluid intelligence is . 15
(D). The predictive error of the linear function is about 15%
阿摩線上測驗
登入