A business is administering an email survey to its customers regarding customer satisfaction. The survey results are based off of the number of customers that the company possesses.
Which of the following could affect the outcome of the surveys?
A. The results could be flawed due to non-response of customers.
B. The survey is biased because it is only being administered by email.
C. The survey is biased because it is only being taken by customers.
D. The results could be flawed due to a wide range of topics in the questions.