A Statistics Class Has 50% Females and 50% Males

question 38

Multiple Choice

A statistics class has 50% females and 50% males.A researcher randomly selects a sample that has 80% males and 20% females.Why should the researcher be cautious of making inferences about the entire class based on the sample?

• A)Because,by luck of the draw,the sample is unrepresentative of the population.
• B)Because,by luck of the draw,the sample is representative of the population.
• C)Because,by luck of the draw,the opinions of the females in the sample will not be the same as those of the females in the population.
• D)Because,by luck of the draw,the sample was too small.

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