Unformatted text preview: your sample didn’t reply for any reason (here we have 5,000-1,312=3,688 nonresponders). Processing error and response error are on page 60. Undercoverage is on page 59. Question That some of the alumni contacted chose not to respond is an example of a: Answer sampling error non-sampling error For more: The difference between sampling and nonsampling errors are on page 58. Particularly relevant is nonresponse on page 61. Question Having a larger sample size: Answer reduces non-sampling error reduces random sampling error reduces the sampling errors not caused by randomness For more: See the first few lines of the “Sampling errors” section on page 58. See also “To reduce variability” on page 41....
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- Fall '07