Final answer:
The mean number of runners can be calculated by dividing the total number of runners in the population by the number of samples taken.
Step-by-step explanation:
The question is asking about the mean number of runners in a sample taken from a population of runners. In this case, a sample of 58 runners was taken from a population of 302 runners. To find the mean number of runners, we divide the total number of runners by the total number of samples taken. So, the mean number of runners is 302/58 = 5.2069.