问题如下:
Using information from Exhibit 2, Vasileva should compute the 95% prediction interval for Amtex share return for month 37 to be:
选项:
A.–0.0882 to 0.1025.
–0.0835 to 0.1072.
0.0027 to 0.0116.
解释:
A is correct.
为什么取2.032 ,95%的双尾不是1.96?