There are two critical points when evaluating the merits of a particular sample in a research study. What are those two points?

A. The number of people & who we are sampling

B. They better be Wegmans samples & they better be delicious

C. The number of people & the sample must be a convenience sample

D. Who we are sampling & the sampling technique

E. The number of people & if the laboratory can handle a large amount of people