A movie theater would like to use a survey to determine which factors are most important to those who come to their theater. Which of the following procedures would be most appropriate for obtaining a statistically unbiased sample?
?
A. Survey a random selection of people passing by the theater in the mall in front of the theater.
B. Survey a random selection of shoppers in the mall.
C. Survey a random selection of people who are leaving the theater after watching a movie.
D. Induce people to answer survey questions by offering discount coupons for various city events, including the movie theater.
What will be an ideal response?
Answer: C
Mathematics
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