Section 17

Question 1

Putting 100 names in a hat, mixing them thoroughly, and drawing out 10 names constitutes
A. Cluster sampling
B. Stratified random sampling
C. Simple random sampling

Answer 1

C. Simple random sampling

Question 2

Which of the following is usually superior
A. Simple random sampling
B. Stratified random sampling

Answer 2

B. Stratified

Question 3

Does the use of stratified random sampling eliminate all sampling errors?
A. Yes
B. No

Answer 3

B. No

Question 4

Suppose there are 1,100 people in a population and you want to draw a sample using a table of random numbers. Which of the following would be an appropriate number name for the first person to whom you assign a number before using the table.
A. 01
B. 100
C 001
D 0001

Answer 4

D. 0001

Question 5

Suppose a researcher randomly selected 30 classrooms (as clusters). Each classroom had 10 students. The researcher should report the sample size
A. 10
B. 30
C. 300

Answer 5

B. 30