Which of the Following Statements Is True

question 20

Multiple Choice

Which of the following statements is true?

• A) Systematic errors cannot be controlled by the researcher, but can be estimated through statistical testing.
• B) A problem may arise with cluster sampling if the characteristics and attitudes of the elements within the cluster are heterogeneous.
• C) If the elements of the population are quite similar, only a small sample is needed to accurately portray the characteristic of interest.
• D) A census is always more accurate than a sample study.