Question

A health 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.

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.

Answer 1

The Answer is C. Online customers buy an average of four packs compared with walk-in customers, who buy an average of two packs. Explanation:

The mean for online customers is 4.3

The mean for walk in customers is 1.8

Round the 4.3 to 4 and Round the 1.8 to 2