CISA Information System Auditing Process Practice Question
Which TWO of the following are types of statistical sampling methods? (Select TWO.)
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Stratified sampling
Stratified sampling and systematic sampling are both statistical methods that use random selection.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Block sampling
Why it's wrong here
Block sampling is non-statistical.
- ✓
Stratified sampling
Why this is correct
Stratified sampling divides the population into subgroups.
- ✓
Systematic sampling
Why this is correct
Systematic sampling selects every nth item.
- ✗
Haphazard sampling
Why it's wrong here
Haphazard sampling is non-statistical.
- ✗
Judgmental sampling
Why it's wrong here
Judgmental sampling is non-statistical.
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