AnswersProbability and Statistics with Applications Honors Sem-1-FL-1210300 2024-2025Unit Test — Unit testQuestion 11
11
QuizMultiple Choice

Unit Test — Unit test

Question 11 • Probability and Statistics with Applications Honors Sem-1-FL-1210300 (2024-2025)

A principal wanted to survey students who took a standardized college entry exam about how prepared they felt for the exam. The principal put together a bag of marbles. There was 1 marble for each student, and 20 of the marbles were red. Each student chose a marble, and those who chose the red marbles took the survey. Which sampling method was used?

Answer
A
cluster sampling
B
simple random sampling
C
stratified random sampling
D
systematic random sampling

Explanation

Each student had one marble in the bag, and the 20 red marbles were chosen at random. This gives each student an equal chance of being selected, which is simple random sampling. The students were not divided into groups or selected at regular intervals.

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