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Select from the option list provided the sampling method that is being described in each situation. Each choice may be used once, more than once, or not at all.

Situation	Sampling method
1. One advantage of this method is that it avoids the need to use random numbers to identify individual items in the population.
2. This method averages the audit amounts of the sample items and multiplies the average by the number of items in the population to estimate the population amount.
3. This type of sampling is often used for tasks that leave evidence of their execution.
4. Under this method of sampling, each item in the population has an equal and nonzero probability of selection.
5. This type of sampling assumes the items are arranged randomly in the population.
6. This method estimates the population misstatement by multiplying the recorded amount of the population by the ratio of the total audit amount of the sample items to their total recorded amount.

Answer Key:

Mean-per-unit sampling

random sampling

ratio estimation

difference estimate

block sampling

systematic sampling

attribute sampling