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Published on 08.04.2024

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Watermarking - a technological innovation for television audience measurement

25.10.2016

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Global Audio > Focus Podcast

17.01.2023

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September 2024 podcast measurements

10.10.2024

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Marie Liutkus appointed Communications Director of Médiamétrie

17.09.2024

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

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