A researcher examines the effect of frequent training on student athletes' performance. In one of the groups, athletes are training twice a day, five times per week. The second group is training once a day, three times per week. At the end of the semester, both groups receive the same performance test and the scores are as listed below on the table. The pooled standard deviation is 2 and the critical value for a two-tail test where p<.01 is calculate the t statistic and interpret results. frequent training less group group2 mean n>