Question: While designing a new dessert menu, the manager of a restaurant offered customers a coupon in exchange for completing a brief survey about their favourite desserts. 10 of the customers accepted the offer.
Is this sample of the restaurant’s customers likely to be representative?
(1) Yes
(2) No
Solution:
REMEMBER : In a representative sample, the people or items chosen accurately reflect the group as a whole.
Since the customers who decided to participate might not be similar to the customers who didn’t, it is a biased sample. It is not likely to be a representative sample.
Then the option is (2) No.
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