- (a) State one characteristic of a population that would make a census a practical alternative to sampling.
A leisure centre has 2500 members.
It asks a sample of 300 members for their opinions on the fees it charges for using the centre.
For the sample,
(b) (i) identify a suitable sampling frame,
(ii) identify a sampling unit.
The leisure centre has the following pieces of information.
\(A\) is the list of the different types of membership that can be paid for by members.
\(B\) is the mean of the membership fees paid by all 2500 members.
\(C\) is the number in the sample of 300 members who are satisfied with the fees they pay.
(c) State the piece of information that is a statistic.
Give a reason for your answer.