Médiamétrie Executive Committee

Médiamétrie's Executive Committee runs and organises the company.

Yannick Carriou Chairman and CEO of Médiamétrie

Julien Rosanvallon Executive Vice President - Audience Measurements 

Laurent Battais Executive Vice President – Performance, cross media & Glance

Bernard Chesnet Executive Vice President - Technologies & Operations

Charles Juster Senior Vice President – Head of Communication & Key accounts

Aurélie Vanheuverzwyn Senior Vice President – Data Science

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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