Asample of n = 15 produces a single sample t statistic of t = - 2.12. if the researcher is using a two-tailed test for hypotheses testing, which of the following is the correct statistical decision?

a. the researcher can reject the null hypothesis with α = .05 but not with α = .01.

b. the researcher can reject the null hypothesis with either α = .05 or α = .01.

c. it is impossible to make a decision about h0 without more information.

d. the researcher must fail to reject the null hypothesis with either α = .05 or α = .01.