A local bank wants to improve its services for customers. Which of the following question should result in data with the greatest variability? “For how many hours each day is the bank open? “How many customers used each of the bank’s 20 ATM machines last week?” “How many customers used the drive-through each day last week?” “How many customers did each of the 5 tellers help yesterday?”

datawith the greatestvariabilityis “How many customers used each of the bank’s20 ATMmachines last week? and is denoted as optionB.What is Variability?extentto which adataor point isspreadout and how far apart they lie.variableswhich in this case is getting data from20 ATMsforsevendays. This would result in morevaluesbeing gotten and is therefore the most appropriate choice for the question with the mostvariability.Variabilityhere