Chapter 1 Flashcards
(9 cards)
1
Q
What is a population
A
every item of interest in investigation
2
Q
What is a census
A
every member involved
3
Q
What are the advantages of a census
A
accurate
unbiased
4
Q
What are the disadvantages of a census
A
time consuming
not possible sometimes
population destruction
hard to process
5
Q
What is a sample
A
a subsection of a population e.g year 7’s
6
Q
What are sampling units
A
individual members of population
7
Q
What are sampling frames
A
list of all sampling units
8
Q
What are the benefits of a sample
A
quick and cheap to carry out
9
Q
What are the disadvantages of samples
A
could be biased if chosen incorrectly
