The null hypothesis for the comparison of two means using the t test is:
A)the two sets of measurements come from populations with the same standard deviations.
B)the two sets of measurements come from populations with different population means.
C)the two sets of measurements come from populations with the same population mean and different population standard deviations.
D)the two sets of measurements come from populations with different standard deviations.
E)the two sets of measurements come from populations with the same population mean.

Question

Quizplus · Accepted Answer

The null hypothesis for the comparison of two means using the t test is that the two sets of measurements come from populations with the same population mean. This means that any observed difference in the sample means is due to chance and not because the populations actually have different means.

The Null Hypothesis for the Comparison of Two Means Using