Day 4 - 25/09/14 Flashcards
0
Q
Define Sampling Statistic.
A
The NUMBER describing the CHARACTERISTICS of an interest in the SAMPLE.
1
Q
Define Precision.
A
Precision is the amount of VARIABILITY of the ESTIMATOR.
2
Q
Define Sampling Frame.
A
The SET of all SAMPLING UNITS.
Eg.A list or database.
3
Q
Define Sampling Unit.
A
A SINGLE MEMBER of the TARGET POPULATION.
4
Q
Define Study Population.
A
The part of the TARGET POPULATION from which the SAMPLE will be taken.
Eg. 18 year olds in Glasgow.
5
Q
Define Target Population.
A
FINITE SET of all INDIVIDUALS of INTEREST.
Eg.
All 18-year-olds in Scotland.
Must be specified clearly at the beginning
6
Q
Define Bias.
A
The SAMPLE is SYSTEMATICALLY DIFFERENT to the POPULATION in respect of the CHARACTERISTIC of interest.
