Ahealth food store has launched a new pack of vitamins for children. the store records the number of packs ordered by a random sample of 100 online customers and the number of packs ordered by a random sample of 100 walk-in customers. (picture is below) which of the following inferences can be drawn about the buying pattern of the online customers versus that of the walk-in customers? a. online customers buy an average of four packs compared with walk-in customers, who buy an average of one pack. b.online customers buy an average of five packs compared with walk-in customers, who buy an average of two packs. c.online customers buy an average of four packs compared with walk-in customers, who buy an average of two packs. d.online customers buy an average of five packs compared with walk-in customers, who buy an average of one pack.