Helena asked five drama club members in her homeroom how many tickets they had sold. The mean number of tickets sold was 16. Then she took ten random samples from the entire drama club of 75 students. The mean number of tickets sold was 22.5. Compare the means. Is one sample a better representation?

Question

Answer:

The drama club sample comes from a more varied group of students, so it is less likely to be biased or The drama club sample is large enough for inferences.