For the t ratio, when the null hypothesis is rejected, then
A) the difference is assumed to be significant
B) the difference is assumed to equal zero
C) the difference is assumed to be positive
D) none of these

Question

Quizplus · Accepted Answer

When the null hypothesis is rejected, it means that the difference between the sample means is statistically significant, and not likely to have occurred by chance alone. Therefore, choice A (the difference is assumed to be significant) is the best answer. Choice B is incorrect because it assumes that the null hypothesis, which states that the difference equals zero, is true. Choice C is incorrect because it assumes that the difference is always positive, which is not necessarily the case.

For the T Ratio, When the Null Hypothesis Is Rejected