Suppose a social networking site has roughly 1,000,000 users, and as each
member signs up for an account, he or she is assigned a number. Which of
these would result in the smallest sample size using systematic sampling?
OA. Surveying every 25th number
OB. Surveying every 250th number
C. Surveying every 2500th number
OD. Surveying every 25,000th number