问题如下图：
选项：
A. 
B. 
C. 
解释：
A,C选项t-critical值是不是应该查表得？
NO.PZ201512020300000206 请一下b，题目说“in the month after the CPIENG clines” 所以指的是在自变量下降的后一年return的变化，由于这一年是cline，所以return是positive，考虑到均值复归，下一年应该是negative，为什么不能这样理解？
NO.PZ201512020300000206 In the month after the CPIENG clines, Stellar’s common stois expecteto exhibit a positive return. Viewein combination, the slope anintercept coefficients from Batten’s regression are not statistically significant the 0.05 level. C is correct. C is the correresponse, because it is a false statement. The slope anintercept are both statistically significant.这一道题怎么快速的判断是拒绝原假设还是无法拒绝原假设 每一次都绕晕
NO.PZ201512020300000206
老师问下 这道题b为什么不选 感觉是错的 他前面的系数是负数 那不是应该negative吗
In the month after the CPIENG clines, Stellar’s common stois expecteto exhibit a positive return. Viewein combination, the slope anintercept coefficients from Batten’s regression are not statistically significant the 0.05 level. C is correct. C is the correresponse, because it is a false statement. The slope anintercept are both statistically significant. 请每一个具体一下，都不理解
