To attract business, a clothing store mails discount coupons to residents of a town. To estimate the proportion of the store’s shoppers who are using the coupons, the store manager selects a random sample of 100 customers who visit the store on a weekend. The manager finds that 38 of them are using the coupons mailed to their homes. Which of the following describes the sample in this setting?
Answer
A
the 100 randomly selected shoppers
B
all shoppers in the store on the weekend
C
all residents of the town
D
the 38 shoppers who used coupons
Explanation
The sample is the group the manager actually selected and observed. Here, that group consists of 100 randomly selected shoppers who visited on a weekend. The 38 coupon users are only part of the sample, while all weekend shoppers and all town residents are broader groups.
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