Bias Can Occur in Sampling.Bias Refers to _____________________

Multiple Choice

Bias can occur in sampling.Bias refers to _____________________.

A) The division of the population into overlapping groups
B) The creation of strata,which are proportional to the stratum's size
C) The use of cluster sampling instead of stratified random sampling
D) The tendency of a sample statistic to systematically over- or underestimate a population parameter