favor of H1: Mean≠70 at alpha=0.05.
B.If a test is run and p=0.0356, then we can reject H0 at alpha=0.01.
C.If a 95% CI for the difference in two independent means is (-4.5 to 2.1), then the point estimate is -2.1.
D.If a 95% CI for the difference in two independent means is (2.1 to 4.5), there is no significant difference in means.
E.The margin of error is always greater than or equal to the standard error.
I can only choose ONE
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