79. The accompanying output resulted when MINITAB was used to test the appropriate hypotheses about true average activation time based on the data in Exercise 56. Use this information to reach a conclusion at signi cance level .05 and also at level .01.

TEST OF MU  25.000 VS MU G.T. 25.000 N MEAN STDEV SE MEAN T P VALUE time 13 27.923 5.619 1.559 1.88 0.043