sampling errors
errors caused by the act of taking a sample
Nonresponse
the failure to obtain data from an individual selected for a sample
wording of questions
has a big influence on the answers
probability sample
a sample was chosen by chance
undercoverage
occurs when some groups in the population are left out if the process of choosing the sample
Random sampling error
the deviation between the sample statistic and the population parameter caused by chance in selecting a random sample
T:F The MOE in the confidence statement includes only random sampling error
True