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  4. 5. (總分 15 分) Is a cus..

研究所、轉學考(插大)◆統計學題庫

【非選題】

5. (總分 15 分) Is a customer's preference for a cell phone affected by the age of the customer? If so, advertising might need to target a particular age group. Suppose a random sample of 500 customers aged 16 and older was selected, and their recent purchased cell phones along with their age groups were recorded, as shown in the table below.
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【題組】(b) (5 分) Suppose you were a marketing expert, how would you advise Apple (hint: which age group you would target, or what further information they should collect for advanced analyses?)