Descriptive statistics are rarely exactly equal to population parameters because of:

Question

Quizplus · Accepted Answer

Descriptive statistics are based on a sample of the population, rather than the entire population, so there is always some degree of sampling error that can cause them to differ from the true population parameters. Attrition bias, Type I errors, and Type II errors are unrelated issues that do not directly affect descriptive statistics in this way.

Descriptive Statistics Are Rarely Exactly Equal to Population Parameters Because