A market research company located in a mall decides to survey people about their shopping habits. They ask customers coming into
the mall whether they prefer buying their clothes online or if they prefer buying their clothes in stores. Which of the following
statements is correct?
This method of sampling can be considered both biased and unbiased.
This method of sampling is neither biased nor unbiased.
This method of sampling is biased.
This method of sampling is unbiased.