maths sampling 1 chapter Flashcards
1
Q
what is census
A
a census measures every member of the population
2
Q
what is sample
A
a selection of observation taken from a subset
3
Q
advantages and disadvantages census
A
dis
time consuming
expensive
cannot be used when the testing process destroys the entire system
advantage
completely accurate results
4
Q
sample advantage and disadvantage
A
less time consuming and expensive
the data may not be accurate
