Sampling Technique

Sampling The determination of sample size for processes is concerned with the following issues under the assumption that the characteristic of the population were more or less homogenous.

•  The definition of the population
• The creation of sampling frame
• The choice of Probability versus Non-probability sampling
• The calculation of sample size

The creation of sampling frame: The standard rule for sampling frame has been followed based on SRS (Simple Random Sampling). The choice of Probability versus Non-probability sampling: Probability sampling has been followed.

The calculation of sample size: To determine the minimum sample size the following formula has been followed:

Where

• n=sample
• size z= statistical certainty chosen
• p= coverage rate/estimated prevalence q=1-p and
• d= precision desired

Sample Size Calculator

Calculate Your Sample Size:

Population Size:

The total number of people whose opinion or behavior your sample will represent.

Confidence Level (%):
8085909599
The probability that your sample accurately reflects the attitudes of your population. The industry standard is 95%.

Margin of Error (%):

The range (measured as a percentage) that your population’s responses may deviate from your sample’s.

Sample Size

*This sample size calculator uses a normal distribution (50%) to calculate your optimum sample size.