The text described Mary and John's sampling of opinion in Dr.Newson's class.Mary obtained more accurate results than John.This is because Mary used ________ sampling while John used ________ sampling.
A)random,haphazard
B)random,convenience
C)census,convenience
D)census,haphazard

Question

Quizplus · Accepted Answer

Random sampling tends to produce more accurate results than convenience sampling because it reduces selection bias by giving all members of the population an equal chance of being selected. Convenience sampling, on the other hand, involves selecting individuals who are easiest to reach, leading to potential bias and less accurate results.

The Text Described Mary and John's Sampling of Opinion in Dr.Newson's