Find the Critical Value $n$ Denotes the Number of Pairs of Data

Multiple Choice

Find the critical value. Assume that the test is two-tailed and that $n$ denotes the number of pairs of data. $n = 30 , \alpha = 0.05$

A) $- 0.362$
B) $\pm 0.362$
C) $\pm 0.306$
D) $0.362$