When a sample survey asks people about their age or some physical characteristic, such as weight, some people who feel self-conscious may not give accurate responses.
A) This is a sampling error that causes bias.
B) This is a sampling error that increases variability.
C) This is a nonsampling error that causes bias.
D) This is a nonsampling error that increases variability.

Question

Quizplus · Accepted Answer

This is a nonsampling error because it is not related to the method of sampling, but rather the respondents' tendency to provide inaccurate information. It causes bias because it can skew the results if those who are self-conscious are more likely to provide inaccurate responses, leading to an inaccurate representation of the population.

When a Sample Survey Asks People About Their Age or Some