← 返回数学题库
1748统计简单derivationshort

Fitted Variance From R-Squared and Response Variance

题目

A regression with intercept has response variance 9 and R^2 = 4/9. What is the variance of the fitted values?

解题计时

0:00

提交作答时记录,用于后续平均用时统计。

你的答案