Question

1. A study is conducted among first year undergraduate students in a US College of Nursing. From a list of these students, every 10th student is selected for an interview. Which of the following sampling strategies is being used?

a) Simple random sampling

b) Systematic sampling

c) Stratified random sampling

d) Cluster sampling

2. A study is conducted among first year nursing students in a US College of Nursing. Students are first grouped according to the state in which they lived before coming to the college. Ten states are then selected at random, and all students from those states are invited to participate in the study. Which of the following sampling strategies is being used?

a) Simple random sampling

b) Systematic sampling

c) Stratified random sampling

d) Cluster sampling

3. A survey is to be administered to the nursing students who are graduating from Joy University this semester. To select our sample, we entered the student ID numbers of all students who are graduating this semester into the computer and let the computer randomly select 50 students. Which of the following sampling strategies is being used?

a) Simple random sampling

b) Systematic sampling

c) Stratified random sampling

d) Cluster sampling

Answer 1

1. Every 10th student is selected for an interview. This is called systemic sampling. Option b is the correct answer.

2. All students from the divided and randomly selected states are selected. This type of sampling is called cluster sampling. Option d is the correct answer.

3. All the students have an equal chance to get selected. The random sampling used here is simple random sampling. Option a is the correct answer.