One sample t test.
Listed below are the winning times in seconds, of men in the 100meter dash for consecutive summer Olympic Games, listed in order by row. Assuming that these results are sample data at random selected from the population of all past and future Olympic Games, test the claim that the mean time is less than 10.5 seconds. What do you observe about the precision of the numbers? What is very important characteristics of the data set are not considered in the hypothesis test?
12.0

11.0

11.0

11.2

10.8

10.8

10.8

10.6

10.8

10.3

10.3

10.3

10.4

10.5

10.2

10.0

9.95

10.14

10.06

10.25

9.99

9.92

9.96

