Jose wanted to see if running three times a week would improve mile times forstudents in his gym class..... The other 15 students did their normal gym class for 4 weeks.At the end of four weeks, both groups ran a mile.The average time for the students that ran 3 times a week was 7 minutes.. The average time for students who did the normal gym class was 8 minutes.What conclusion can you make?.He took a random sample of 30 students.All 30 students ran a mile and their time was recorded.Fifteen students were randomly assigned to run a mile- three times a week for 4weeks..Since the difference in times was only one minute, we can make the conclusion that running a miles threetimes a week did not improve mile time.No conclusion, the difference was not large enough to say that running a miles three times a week helped.No conclusion, the sample was not large enough to make a conclusion on whether or not running a milehelped.Since the difference was fairly large, one minute, we can make the conclusion that running a mile three times aweek does improve mile time.