A Bank Officer Wishes to Study How Many Customers Write

Multiple Choice

A bank officer wishes to study how many customers write bad checks.To accomplish this,the officer randomly selects a weekly sample of 100 of checking accounts,and the number of who wrote bad checks was recorded.The numbers of customers who wrote bad checks in 20 consecutive weekly samples of 100 cardholders are,respectively, 1,4,9,0,4,6,0,3,8,5,3,5,2,9,4,4,3,6,4,0
Find the appropriate center line.

A) .08
B) .01
C) .09
D) .04