Question

Unless we can conclude that the population variances are equal,

we cannot use the pooled variance estimate.
a. True
b. false

Answer 1

The statement is true. If we cannot conclude that the population variances are equal, we cannot use the pooled variance estimate.

Step-by-step explanation:

The statement is true. To perform a test using a pooled variance estimate, one of the assumptions that must be true is that the population variances are equal. If we cannot conclude that the population variances are equal, then we cannot use the pooled variance estimate.