A Report from the U

Multiple Choice

A report from the U.S. Department of Health and Human Services estimated that 10.2 percent of Americans in 2014 had used illicit drugs with a margin of error of ± 0.18 percent. Suppose that many of those asked about their behavior give an answer that isn't the truth because they fear that their answer will go to law enforcement officials.

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.