A sample bias exists when the results of a sample show a persistent tendency to deviate in one direction from the true value of the population parameter.

Question

Quizplus · Accepted Answer

This statement is true. A sample bias occurs when the results of a sample are not representative of the population, and instead consistently overestimate or underestimate the true value of the parameter. This can be due to issues such as sampling methods or measurement errors.

A Sample Bias Exists When the Results of a Sample