In the heart of the media

In a continually transforming digital world, Médiamétrie observes the public’s behaviour and analyses changes in media use and cultural leisure activities.

Leader of media and reference studies in audience measurement, Médiamétrie anticipates market developments and is fostering the creation of a data media reference in France. Methodological and technological innovations are at the heart of Médiamétrie’s work, drawing upon the expertise of its teams and a two-fold open innovation process that combines academic and start-up approaches. The company exports its know how internationally.

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.

More