Which of the Following Statements About Sample Size Is True

Multiple Choice

Which of the following statements about sample size is true?

A) A rule of thumb is to include at least two members from every subgroup to be analyzed.
B) If the sample size is very small, a judgmental sample may be more reliable and representative than a probability sample.
C) The determination of sample size should not involve cost.
D) Low sampling costs do not justify a larger sample.
E) None of the above.