Mediametrie is committed to outstanding measurements

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Mediametrie is committed to providing its customers with common and outstanding benchmark audience measurements. As a data leader and media expert, the company is expanding its expertise to video, audio and cross-media behaviour measurements, as well as advertising effectiveness measurement. Every day, some 1,000 employees design and produce the right measure for today and tomorrow to promote the free decision-making of the company's customers in France and abroad.

Confidence interval calculus

Sample size or target in the sample

n =

Proportion observed in the sample or on a target in the sample

p =

%

Warning: only applies to a proportion. The Average Rate is an average of proportions and the Audience Share a ratio of proportions. This tool is provided for information purposes. It cannot be applied for professional purposes without further precautions.

Test of significance of the differences between two proportions

Used to assess whether the difference between 2 proportions is significant at the 95% threshold

Proportion

Sample size

1st sample

%

2nd sample

%

Warning: only applies to a proportion. The Average Rate is an average of proportions and the Audience Share a ratio of proportions. This tool is provided for information purposes. It cannot be applied for professional purposes without further precautions.

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