This semester, we have talked about creating random samples as well as desirable qualities of random samples.Other than randomness, one quality of random samples that we have talked about is representation.Using your knowledge of that concept, consider this problem.

At a college, 29% of the students are in their first year, 27% are in their second year, 25% in their third, and 19% in their fourth.You take a survey of students and when you classify them by year of study, you have 49, 70, 56, and 25 students in their first, second, third, and fourth years respectively.

The table below highlights this information.

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