The undergraduate population of the University of Birmingham is formed of 25% ethnic minorities (non-white).When sampling 20 students at random,5 are from ethnic minorities.This shows?
A)Sampling error
B)Human error
C)Response bias
D)None of the above

Question

Quizplus · Accepted Answer

Sampling error occurs because the sample may not perfectly represent the entire population. In this case, the proportion of ethnic minorities in the sample (25%) matches the known proportion in the population, indicating the difference is due to the natural variability expected from random sampling, not necessarily a mistake or bias.

The Undergraduate Population of the University of Birmingham Is Formed