Address and access

About Us

Médiamétrie Levallois

Published on 24.09.2018

Glance - Médiamétrie

70, rue Rivay

92532 Levallois Cedex, FRANCE

Tel: +33 1 47 58 97 58

Fax: +33 1 47 58 09 26

Results & Studies

Press release

L'Année Radio 2023-2024

17.10.2024

News

Press release

Marie Liutkus appointed Communications Director of Médiamétrie

17.09.2024

Innovations

How does 4-screen TV/Video & 3-screen Video measurement work?

21.11.2016

Solutions

Cinema Advertising Tests

18.07.2018

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

Dictionnaire

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