Question

Nathan and Jordan design surveys to determine the average amount of time bicyclists in a race spend training each

week. Nathan surveys every fifth bicyclist crossing the finish line after a race. Jordan surveys the first five bicyclists to

finish the race. Which best explains which sample is likely to be the most valid?

Nathan's because his sample was more random

O Jordan's because his sample was more random

Nathan's because his sample contained elements of the population

Jordan's because his sample contained elements of the population

Answer 1

A

Explanation:

Answer 2

Answer: Nathan's because his sample was more random

Explanation:

Nathan's survey could be described as a Systematic random sampling technique whereby every 5th observation taken as a sample from the population. With these technique we have a more random observation than with