Systematic and multistage sampling

STA 121. Practice questions, not past papers.

Lessons

• Use a random start and fixed interval
• Select at successive stages

Practice questions

1. For the elementary systematic design with N divisible by n, the interval is what?

   Statistics study edition practice item Q241; Source: T101-103

2. Which frame feature can make a systematic interval problematic?

   Statistics study edition practice item Q242; Source: T101-103

3. Selecting schools, then classes, then students is which design?

   Statistics study edition practice item Q243; Source: T101-103

4. In a multistage design, equal school probabilities guarantee equal student probabilities when what?

   Statistics study edition practice item Q244; Source: T101-103

5. A systematic sample has N=100, n=10, starting position 5. What is the fourth selected position?

   Statistics study edition practice item Q245; Source: T101-102

6. A systematic sample has N=60, n=10, starting position 2. What is the fourth selected position?

   Statistics study edition practice item Q246; Source: T101-102

7. A systematic sample has N=120, n=12, starting position 7. What is the fourth selected position?

   Statistics study edition practice item Q247; Source: T101-102

8. The elementary systematic sampling interval is N divided by _____.

   Statistics study edition practice item F080; Source: T101-103

9. Sampling schools then students is a _____ design.

   Statistics study edition practice item F081; Source: T101-103

Topic gap report