Sampling 3.2(c) Flashcards
1
Q
When is a representative sample in a population used?
A
Where it is impractical to measure every individual.
2
Q
What does the extent of the natural variation within a population determine?
A
The appropriate sample size.
3
Q
What do more variable populations require?
A
a larger sample size.
4
Q
What is a representative sample?
A
A sample that shares the same mean and the same degree of variation about the mean as the population as a whole.
