题目
For the last three years, we regressed monthly dollar change in gasoline prices against the monthly change in oil prices (regressor; independent). The number of observations (n) is therefore 36. If the coefficient of determination is 0.18 and the total sum of squares (TSS) is 3.23, what is the standard error of the regression (SER)?
选项
A.0.28
B.0.42
C.2.65
D.3.23
答案
A
解析
As「huixue_img/importSubject/1564169388599414784.png」; i.e., SER units are same as the dependent variable