An Independent-Measures Study with N = 6 in Each Sample $\surd$

An independent-measures study with n = 6 in each sample, produces a sample mean difference of 4 points and a pooled variance of 12.What is the value for the t statistic?

A) 1
B) 2
C) 4/ $\surd$ 2
D) 4/ $\surd$ 8