Exercices sur l'estimation Exercice 1 - ops.univ-batna2.dz
Finalement, on estime l'écart-type ? par l'écart-type corrigé s? = ? s?2 ? 5, 47. 3.4) Puisque n = 150 ? 30, l'estimation par intervalle à 99% est donnée ...
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