NO.PZ2023091601000121
问题如下：
Paul Graham, FRM® is analyzing the
sales growth of a baby product launched three years ago by a regional company.
He assesses that three factors contribute heavily towards the growth and comes
up with the following results:
Y = b + 1.5 X1 + 1.2X2 + 3X3
Sum of Squared Regression [SSR] = 869.76
Sum of Squared Errors [SEE] = 22.12
Determine
what proportion of sales growth is explained by the regression results
选项：
A.
0.36
B.
0.98
C.
0.64
D.
0.55
解释：
R square不是ESS/SST?
