Surveys tend to suffer from low response rates Based on past

Last updated: 6/16/2023

Surveys tend to suffer from low response rates Based on past experience a researcher determines that the typical response rate for an e mail survey is 40 She wishes to obtain a sample of 500 respondents so she e mails the survey to 2500 randomly selected e mail addresses Assuming the response rate for her survey is 40 will the respondents form an unbiased sample Explain Is the sample unbiased OA Yes The sample was a randomly selected group of e mail addresses which does not introduce bias OB Yes The number of respondents will be approximately 1000 that is two times greater than the needed size of the sample O C No The survey was not given to the entire population O D No The survey still suffers from undercoverage sampling bias nonresponse bias and potentially response bias