An independent-measures research study uses two samples,each with n = 15 participants.If the data produce a t statistic of t = 2.760,which of the following is the correct decision for a two-tailed hypothesis test?
A)Reject the null hypothesis with α = .05 but fail to reject with α = .01
B)Reject the null hypothesis with either α = .05 or α = .01
C)Fail to reject the null hypothesis with either α = .05 or α = .01
D)Cannot answer without additional information

Question

Quizplus · Accepted Answer

With a t statistic of 2.760 and 28 degrees of freedom (df = n1 + n2 - 2 = 15 + 15 - 2 = 28), using a t-table or calculator, the p-value is less than .05 but greater than .01. Therefore, we would reject the null hypothesis with α = .05 but fail to reject it with α = .01. Option A is the only choice that reflects this decision.

An Independent-Measures Research Study Uses Two Samples,each with N =