To measure the difference between means or the difference between independent sample proportions, one would probably use which statistical technique ?
A)chi-square test
B)sign test
C)F-test
D)t-test

Question

Quizplus · Accepted Answer

The t-test is used to compare the means of two independent samples or the means of one sample to a known value. It is also used to compare the proportions of two independent samples when the sample size is large enough. The chi-square test is used to compare observed frequencies to expected frequencies in categorical data. The sign test is used to compare two related samples or to test a median difference. The F-test is used to compare the variances of two independent samples.

To Measure the Difference Between Means or the Difference Between