As is true of multiple choice questions in general, different interpretations can lead to different possible answers. Please choose the best answer among the possible choices. Also, indicate any assumptions you are making.

12. Which of the following is not a classical variables sampling technique.

A. probability proportional to size.

B. difference estimation.

C. ratio estimation.

D. mean per unit estimation.

______ 13. Areas of audit sampling include

1. tests of controls.
2. substantive tests.
3. a and b.
4. None of the above.

______ 14. Which of the following statements is true regarding non-statistical sampling?

1. Is more often used with small populations.
2. Gives items in a population an equal chance to be included in the sample.
3. Applies the laws of probability .
4. Non-statistical sampling should never be used.

______ 15. Which of the following statements is not true regarding statistical sampling?

1. Sampling risk can be measured.
2. Gives items in a population an equal chance to be included in the sample.
3. Applies the laws of probability.
4. Is highly subjective in nature.