Run an independent t-test on the data. A Levene's test result of p = .006 was obtained. What can we infer from this number?
A) The stomach and lung cancer variance is heterogeneous.
B) The stomach and lung cancer variance is homogenous.
C) The distributions look fairly similar.
D) The result is inconclusive.

Question

Quizplus · Accepted Answer

A Levene's test is used to test the equality of variances across different groups. A p-value of .006 indicates that the variances of the stomach and lung cancer groups are significantly different from each other, therefore violating the assumption of equal variances needed for an independent t-test. Thus, we can infer that the variance is heterogeneous.

Run an Independent T-Test on the Data