Médiamétrie Executive Committee
Yannick Carriou Chairman and CEO of Médiamétrie
![](/sites/default/files/styles/scale_800/public/2020-01/Yannick%20Carriou%20carr%C3%A9%202.jpg?itok=Pv1xKpDZ)
Laurent Battais Executive Vice President – Development
![](/sites/default/files/styles/scale_800/public/2018-11/Laurent-Battais_0.png?itok=6KQIrpPY)
Bernard Chesnet Executive Vice President - Operations
![](/sites/default/files/styles/scale_800/public/2021-09/Bernard%20CHESNET_3.jpg?itok=CpwN0tKd)
Julien Rosanvallon Executive Vice President - Marketing and Customer Experience
![](/sites/default/files/styles/scale_800/public/2021-07/Julien-ROSANVALLON.jpg?itok=C_FqaAeS)
Gaël de Cagny Executive Director – Human Relations
![](/sites/default/files/styles/scale_800/public/2021-07/Gael%20de%20Cagny%20format_0.jpg?itok=5Y7W9zpi)
Estelle Duval Executive Director - Strategy and Transformation
![](/sites/default/files/styles/scale_800/public/2021-07/Estelle-Duval-Mediametrie_0.jpg?itok=0iimpyXE)
Charles Juster Executive Director – Head of Communication
![](/sites/default/files/styles/scale_800/public/2018-11/Charles-Juster_0.png?itok=rAHXWwSX)
Yann Olivier Rioux Executive Director – Administration and Finance
![Y-O Rioux](/sites/default/files/styles/scale_800/public/2023-09/Y-O%20Rioux.jpg?itok=Hil0CDkz)
Aurélie Vanheuverzwyn Executive Director – Data and Methods
![](/sites/default/files/styles/scale_800/public/2018-11/Aurelie-Vanheuverzwyn%C2%A0.png?itok=dg1m0vGV)
Test of significance of the differences between two proportions
Used to assess whether the difference between 2 proportions is significant at the 95% threshold
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.
des médias
edition
definitions