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Sample Size   Sample Error     

 

Level of Confidence

95% 99%

 
       
 

Sample Error

+/- %

 
       
 

Total Population

 
 

 
 

    

    

 
 

 
 

Sample Size

 
 

Level of Confidence expresses the probability that the real value of an indicator to be within the confidence interval.

Sample Error (Confidence Interval) represents the range of values (the error) an indicator calculated on a sample can have.

Total Population (optional) represents total number of persons, households, companies etc. the sample needs to be representative for.

Sample Size represents the number of  questionnaires we need in order to have representative answers for total population.

 
 

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