孔同学2023-03-08 11:05:24
请问这道题的步骤和答案?
回答(1)
Evian, CFA2023-03-08 16:07:25
ヾ(◍°∇°◍)ノ゙你好同学,
题目应该选择A
The calculated test statistic is (如下截图所示)
Because the value of t = -2.30177 is outside the bounds of ±1.96, we reject the null hypothesis of no correlation and conclude that there is enough evidence to indicate that the correlation is different from zero.
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