NO.PZ201709270100000201
问题如下:
1.Considering Exhibit 1, the F-statistic is closest to:
选项:
A.3.22.
B.8.06.
C.30.79.
解释:
C is correct. The F-statistic is
Because F = 30.79 exceeds the critical F of 1.96, the null hypothesis that the regression coefficients are all 0 is rejected at the 0.05 significance level.
分子n-k-1为什么等于546,而不是546-8-1