If we are interested in testing whether the mean of items in population 1 is larger than the mean of items in population 2, the A) null hypothesis should state μ1 - μ2 0 C) alternative hypothesis should state μ1 - μ2 0 D) alternative hypothesis should state μ1 - μ2

Question

If we are interested in testing whether the mean of items in population 1 is larger than the mean of items in population 2, the A) null hypothesis should state μ1 - μ2 < 0 B) null hypothesis should state μ1 - μ2 > 0 C) alternative hypothesis should state μ1 - μ2 > 0 D) alternative hypothesis should state μ1 - μ2 < 0

Quizplus · Accepted Answer

The alternative hypothesis represents what we are testing for, which in this case is whether the mean of population 1 is larger than that of population 2, i.e., μ1 - μ2 > 0.

If We Are Interested in Testing Whether the Mean of Items