The results of a hypothesis test with a repeated-measures t statistic are reported as follows: t(9) = 2.28, p < .05. Which of the following is consistent with the report?
a. The study used a total of 10 participants, and the mean difference was not significant.
b. The study used a total of 10 participants, and the mean difference was significant.
c. The study used a total of 11 participants, and the mean difference was not significant.
d. The study used a total of 11 participants, and the mean difference was significant.