Identify the type of sampling used random systematic conveni

Identify the type of sampling used (random, systematic, convenience, stratified, or cluster sampling) in the situation described below.

A Man experienced a tax audit. The tax department claimed that the man was audited because he was randomly selected from all men in his tax bracket.

Which type of sampling did the tax department use?

a. Random sampling

b. Convenience sampling

c. Stratified sampling

d. Systematic Sampling

e. Cluster sampling

Solution

Here, one tax bracket is particularly sampled, but not all from that bracket are part of the sample. Thus, this must be a STRATIFIED SAMPLING. [ANSWER, C]

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[If all people in his tax bracket are included, it could have been a cluster sampling method.]