all statisitcs Flashcards
1
Q
census
A
measures every member of population
2
Q
advantage of a census
A
accurate result
3
Q
disadvantage of a cenus
A
expensive
4
Q
what are sampling units
A
individuals of a population
5
Q
what is a sampling frame
A
list of sampling units
6
Q
what is random sampling
A
population has same chance of being selected-lottery sampling
7
Q
advantage of random sampling
A
bias free
8
Q
disadvantage of random sampling
A
need sampling frame
9
Q
systematic sampling
A
take every kth unit
k=pop/sample
pick random number from 1-k
10
Q
advantage of systematic sampling
A
quick to use
11
Q
disadvantage of systematic sampling
A
need sampling frame
12
Q
A
