Find the Critical Value $\mathrm { n } = 50 , \alpha = 0.05$

Multiple Choice

Find the critical value. Assume that the test is two-tailed and that n denotes the number of pairs of data.
- $\mathrm { n } = 50 , \alpha = 0.05$

A) $\pm 0.280$
B) $\pm 0.277$
C) $- 0.280$
D) $0.280$