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?
A
Nathan’s because his sample was more randomB
Jordan’s because his sample was more randomC
Nathan’s because his sample contained elements of the populationD
Jordan’s because his sample contained elements of the population