A Movie Theater Would Like to Use a Survey to Determine

question 18

Multiple Choice

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.

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Definitions:

Lava Fountains

High-speed bursts of molten rock that are ejected from a volcano or vent.

Volcanic Blocks

Large chunks of solid rock ejected from a volcano during an eruption, distinct from smaller pyroclastic materials.

Pyroclastic Eruption

An explosive volcanic event characterized by the ejection of magma converted into ash, lapilli, and volcanic bombs.

Mount Pelée

A notorious volcano located on the island of Martinique, best known for its devastating eruption in 1902.