For a sample of 20 participants, t = 2.500 (α = .05; two-tailed), what would be the decision about the null hypothesis?
A) The null hypothesis could be neither rejected nor accepted.
B) The null hypothesis would not be rejected.
C) The null hypothesis would be rejected.
D) The null hypothesis would need to be retested.

Question

Quizplus · Accepted Answer

The t-value of 2.500 is greater than the critical t-value at α = .05 and df = 19. Therefore, we reject the null hypothesis and conclude that there is a significant difference between the means.

For a Sample of 20 Participants, T = 2