Question
Assume your class has 30 students and you want a random sample of 10 of them. A student suggests asking each student to flip a coin, and if the coin comes up heads, then he or she is in your sample. Explain why this is not a good method.
Step 1
In a random sample, every possible sample of the same size has the same chance of being selected. This means that each student in the class should have an equal chance of being selected in the sample. Show more…
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