A random sample of males who finished the marathon is partitioned into three categories with ages of 21-29, 30-39, and 40 or over. The times (in seconds) are obtained for the selected males. The analysis of variance results obtained from software are below. The significance level is 0.05 in testing the null hypothesis.
Ho: there is no significant difference in the mean time to finish the marathon between three categories with ages of 21-29,... View the full answer