How to
Determine
your Sample
Population
Thelma Villaflores
Determine key
values
1.
1. Population of interest
2. Sampling frame
3. Margin of Error
4. Reliability
Consider the size of the population
1.  100
2.  100
Choose a sampling
procedure
2.
1. Probability
2. Non-probability
Use a formula
3.
1. Slovin’s Formula
2. Calmorin’s Formula
Consider multi-
stage sampling
4.
Multistage sampling divides large
populations into stages to make the
sampling process more practical.
Sample
1. Determine the population to be studied
2. Set your sampling frame
3. Identify margin of error
4. Choose sampling procedure/technique
5. Decide which formula to use, if necessary
Day Care
Students
Day Care
Students
in Bulacan
Day Care
Students
in Marilao
Day Care
Students
in
Lambakin
Population to be studied
(very big number)
use cluster sampling
Target Population
(manageable but still big)
use stratified sampling
Sampling Frame
(manageable)
use random sampling
use formula or other factors
Sample Population
“Life presents many choices,
the choices we make
determine our future.”
Catherine Pulsifer
“
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Credits

How to determine the sample population