Sampling

Question 1

Census

Answer 1

measures every member of a population

Question 2

simple random sampling

Answer 2

• Each member has same chance of being selected
• Chosen completely randomly (i.e. random number generator)

Question 3

systematic sampling

Answer 3

• Selects every kᵗʰ unit
• k = population / sample size
• Starting point between 1 & k

Question 4

stratified sampling

Answer 4

• Sample represents groups
• Split into groups and picked randomly

Question 5

quota sampling

Answer 5

• Sample represents groups
• Split into groups and picked by person

Question 6

opportunity sampling

Answer 6

• Sample units used by those available at a time