Calculators

Calculators

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

Sample Size represents the number of  questionnaires we have in sample.

Total Population (optional) represents total number of persons, households, companies  the sample is representative for.

Percentage represents the value of an indicator for which we want to find out the confidence interval (error). For maximum Confidence Interval use 50%.

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

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