SOLVED:Select the best answer An example of a non sampling error that can reduce the accuracy of a sample survey is (a) using voluntary response to choose the sample. (b) using the telephone directory as the sampling frame. (c) interviewing people at shopping malls to obtain a sample. (d) variation due to chance in choosing a sample at random. (e) inability to contact many members of the sample.

94 a problem with nonrandom sampling is thata larger samples need to be taken to reduce the sampling error inherent in this approachb not every item in the population has the same chance of 51182

Sampling Variability: Definition