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Le Statisticien fait partie du corps de métier : economie
Le but du statisticien est d’éclairer les prises de décisions et pour cela son quotidien s’organise en trois temps : collecter les chiffres, les traiter, puis les interpréter. Pour les interpréter, il se sert de logiciels informatiques performants. Le statisticien peut étudier des domaines très variés, allant des études météorologiques, à l’évolution de la construction immobilière, en passant par la connaissance des flux touristiques. Le statisticien doit se tenir informé en permanence des évolutions de son domaine d’activité.
De la collecte aux conseils
Pour procéder à la collecte des données, le statisticien établit un questionnaire ou des grilles d’évaluation, puis il met en place une équipe pour rassembler ces chiffres. Pédagogue, il doit pouvoir choisir, parmi les méthodes statistiques, celles qui permettront de rendre les données collectées les plus pertinentes possibles. Il doit pouvoir rédiger des communications, des rapports et présenter de manière limpide des analyses complexes. Car le statisticien est avant tout un conseiller ; il doit savoir présenter ses résultats au décideur et les accompagner de conseils pertinents.
Compétences nécessaires pour devenir statisticien
Les formations à suivre pour devenir statisticien
Trois écoles préparent aux métiers de la statistique. Elles sont accessibles sur concours après un bac + 2 scientifique ou économique. La durée des études est de 2 ou 3 ans. Il s’agit de l’ENSAE (École nationale de la statistique et de l’administration économique), l’ENSAI (École nationale de la statistique et de l’analyse de l’information), et l’ISUP (Institut statistique de l’université de Pierre et Marie Curie).
Mis à part ces grandes écoles, il est possible de se former à l’université. Accessibles après le baccalauréat, il existe des DUT de statistique et traitement informatique des données. Mais attention, ces forment des assistants statisticiens. Ils peuvent donc être complétés par des masters professionnels, également destinés à des étudiants titulaires d’une licence en sciences économiques, mathématiques, mathématiques appliquées aux sciences sociales, gestion… Il est également possible de passer par un IUP ingénierie économique et statistiques ou mathématique, informatique et statistique. Alternative originale pour devenir statisticien : compléter une formation initiale, d’ingénieur ou de médecin par exemple, par une formation spécifique.
Les débouchés du métier de statisticien
Le secteur d’emploi des statisticiens a beaucoup évolué ces dernières années. Outre l’administration et l’enseignement, de plus en plus de jeunes diplômés s’orientent vers le secteur des services, avec d’importantes créations d’emploi : sociétés d’études et de conseil, banques et assurances, énergie, transports, automobile…
Le salaire d’un statisticien
Le salaire d’embauche d’un statisticien diplômé bac + 5 est compris entre 2 000 et 3 000 € bruts par mois.
Liens utiles pour aller plus loin
Les salons pour trouver sa formation de statisticien