Chapeter 1 Flashcards
1
Q
What is a population?
A
Consists of all the items we are interested in
2
Q
What is a sample?
A
A subset of items chosen from the population
3
Q
What is a sampling frame?
A
Sampling unites of a population that are individually named or numbered to form a list of
4
Q
Advantages of a census?
A
Should give completely accurate results
5
Q
Advantages of a sample?
A
Less expensive
Less time consuming
Less data to process
6
Q
Disadvantages of a census?
A
Time consuming and expensive
Can not be used when testing involves destruction
Large volume of data to process
7
Q
Disadvantages of a census?
A
Data may not be accurate
Sample may not be large enough to represent small sub-groups of the population
