A company polled a large group of people to assess the company's reputation in the surrounding communities. To save time, the survey was mailed to the addresses of stockholders and former employees that the company already had on file and that were in the surrounding areas Which of the following statements is correct?
A. This methed of sampling is biased.
B. This method of sampling is unbiased
C. This method of sampling is neither blased nor unblased.
D. This method of sampling can be considered both blased and unblased.
