The __________ t-test is used to determine if the mean differences between pairs is significantly different from zero.
A)independent
B)one-sample
C)dependent
D)congruent

Question

Quizplus · Accepted Answer

The dependent t-test (also known as the paired t-test) is used to compare the means of two related groups (where the same subjects are being tested twice, such as before and after an intervention). It is the best choice when we want to determine if the mean differences between pairs is significantly different from zero. The independent t-test is used when comparing the means of two independent groups, while the one-sample t-test is used to compare a sample mean to a known population mean. The congruent t-test is not a commonly used term in statistics.

The __________ T-Test Is Used to Determine If the Mean