When a researcher needs to compare means for a variable grouped into two categories based on some less-than interval variable,a(n)_____ is appropriate.
A) p-test
B) t-test
C) x² test
D) univariate test

Question

Quizplus · Accepted Answer

The t-test is appropriate when comparing means for a variable grouped into two categories based on some less-than interval variable, such as comparing the mean salary of male and female employees. A p-test and x² test are not appropriate for continuous data, and univariate tests do not involve comparing means.

When a Researcher Needs to Compare Means for a Variable