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 -1, 5, -4, 2. Round to the nearest tenth.

A) 2.0
B) 3.9
C) 89.7
D) 3.1