Innovation in estimation: a reliable approach for radio audience indicators
Aurélie VanheuverzwynMédiamétrie, France
Joël ChaskalovicPublics Groupe Média and University Pierre et Marie Curie (Paris VI), France
INTRODUCTION
Precision calculations in survey theory can certainly be considered an essential element since, in a way, they gauge the quality of estimators. However, in the best of cases, linear statistics among others, one is limited simply to calculating the variance and, in order to construct a confidence interval, quite often accepts the assumption of the estimator's normality, while nothing is known a priori about the distribution.
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