An athletics coach is interested in comparing the speed of his runners over a hundred-meter dash with the national average. The National Average is 9.96 m/s, the standard deviation of the population is 3.4 m/s, the sample size is 15, and the mean of the sample is 12.5 m/s.

1. Is the group member's z-test example appropriate? If yes, state why, using examples to support your agreement or if no, state why not, using examples to support your disagreement.