One of the Reasons Why a Marketing Practitioner Should Have

Multiple Choice

One of the reasons why a marketing practitioner should have a basic understanding of sample size determination is because:

A) many practitioners have a false belief that sample size doesn't determine a sample's representativeness.
B) it helps managers to manage their resources better.
C) a marketing manager should understand that a sample's representativeness is not related to its accuracy.
D) the size of the sample is never a major cost factor.
E) managers always have a "small sample bias";they believe small samples are more accurate.