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