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Mathematics 4 Online
OpenStudy (anonymous):

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.

OpenStudy (anonymous):

OpenStudy (anonymous):

Online customers buy an average of five packs compared with walk-in customers, who buy an average of three packs. Online customers buy an average of six packs compared with walk-in customers, who buy an average of three packs. Online customers buy an average of five packs compared with walk-in customers, who buy an average of two packs. Online customers buy an average of six packs compared with walk-in customers, who buy an average of two packs.

OpenStudy (anonymous):

@peachpi

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