A poll is being taken on Wednesday to predict which movie will be the most popular at the city's movie theaters the next weekend: an animated movie, an action movie, or a romantic comedy. Which group would best represent a sample population?

Every fifth person coming out of the high school.

Every fifth person in the mall's food court at lunchtime.

Every fifth person coming out of the downtown grocery store at different times throughout the day.

Every fifth person walking down the street in several different locations throughout town at different times of day.

Question

Mathematics

Sariah Alvarez

11 November, 14:10

A poll is being taken on Wednesday to predict which movie will be the most popular at the city's movie theaters the next weekend: an animated movie, an action movie, or a romantic comedy. Which group would best represent a sample population?

Every fifth person coming out of the high school.

Every fifth person in the mall's food court at lunchtime.

Every fifth person coming out of the downtown grocery store at different times throughout the day.

Every fifth person walking down the street in several different locations throughout town at different times of day.

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Answers (1)

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Kaya · Answer 1

I'd say it's the last one - it's the most random of all groups and therefore will be the most representative (the results won't be skewed in any way, as randomness will even them out). It would be even better if we randomise streets and times of the day.