A(n)________ of sample variance may be performed if it is not known whether the two populations have equal variance.
A) p-test
B) F-test
C) t-test
D) z-test
E) chi-square test

Question

Quizplus · Accepted Answer

The F-test is used to compare the variances of two populations. It is the best choice for testing variance when it is not known whether the populations have equal variance. The t-test and z-test are used to compare means, not variances. The chi-square test is used for categorical data analysis. The p-test is not a statistical test.

A(n)________ of Sample Variance May Be Performed If It Is