When Selecting and Using Appropriate Sampling Methods You Must Ensure

Multiple Choice

When selecting and using appropriate sampling methods you must ensure the integrity of data bias. Data bias is a factor in decision making. Which of the following would explain under coverage bias?

A) Occurs when sample members are self-selected volunteers. The resulting sample tends to over-represent individuals who have strong opinions.
B) Occurs when individuals chosen for the sample are unwilling or unable to participate in the survey
C) Occurs when some members of the population are inadequately represented in the sample.
D) Occurs due to measurement error, possibly because of poor measurement process.