Assume That You Want to Test the Claim That the Paired

Multiple Choice

Assume that you want to test the claim that the paired sample data come from a population for which the mean difference is $\mu _ { \mathrm { d } } = 0$ . Compute the value of the $t$ test statistic.
-The differences between two sets of dependent data are 3, 21, 3, 27, 15. Round to the nearest tenth.

A) 10.7
B) 8.6
C) 21.4
D) 13.9