You conduct a t test for independent means and reject the null hypothesis. This

Question

You conduct a t test for independent means and reject the null hypothesis. This means that:
A) the mean of one sample is statistically the same as the mean of the other sample, so they
probably come from populations with equal means
B) the mean of one sample is so far from the mean of the other sample that you decide the
samples must come from populations with different means
C) the variance of one sample is so much larger than the variance of the other sample that you
decide that the variances of the parent populations must not have been the same
D) the samples were from populations that were actually dependent rather than independent

Explanation / Answer

The answer is (B). This is because in the test the alternative hypothesis states that the population means are not equal.

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