Study Notes management accounting acca f2


Stratified random sampling



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Study Notes MANAGEMENT ACCOUNTING ACCA F

 
Stratified random sampling: 
Stratified random sampling is a method of sampling which involves 
dividing the population into groups (strata) like males and females. Random sampling is then taken 
from each group. 
Advantages
▪ Representative sample selected (every important category will have an elements in the final 
sample)
▪ The structure of the sample will reflect that of the population 
▪ Influence can be made about each group 
Disadvantages
▪ Requires prior knowledge of each item in the population 

 
Systematic sampling: 
Systematic sampling is a sampling method, which works by selecting every 
nth item after random start like 23
rd
, 26
th
. It is also called 
“Quasi Random”
because it is not truly 
random.
Advantages
▪ It is easy to use 
▪ It is cheap 
Disadvantages
▪ It is possible that a biased sample might be chosen if there is a regular pattern to the population 
which coincides with the sampling method like population arrange in this pattern A B C D E A B C 
D E A B C D …If every fifth item is selected in a sample then there is a sample of Es only. 
▪ It is not completely random since some samples have a zero chance of being selected 


F2 Management Accounting
Page 134 of 147 

Multistage Sampling: 
Multistage sampling is a probability sampling method, which involves dividing 
the population into a number of sub-populations and then selecting a small sample of this sub-
population at random. Each sub-population is then divided further, and then a small sample is again 
selected at random. This process is repeated as many times as it is necessary. Used where an entire 
country is a population. In this kind of sampling country divided into number of areas, areas sub-
divided into small units and then choose a random sample. 

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