It is possible for a nonstatistical sample to yield statistics that have values closer to the corresponding parameter than will a statistical sample.

Question

Quizplus · Accepted Answer

A nonstatistical sample, if carefully selected with expert judgment, can yield statistics that closely match the population parameters, especially in cases where the sample is highly representative of the population. However, this does not guarantee the reliability and generalizability of the results compared to a properly selected statistical sample.

It Is Possible for a Nonstatistical Sample to Yield Statistics