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{"id":451,"date":"2021-09-02T09:31:47","date_gmt":"2021-09-02T09:31:47","guid":{"rendered":"http:\/\/ms.iaca.fr\/?p=451"},"modified":"2021-09-14T08:38:03","modified_gmt":"2021-09-14T08:38:03","slug":"activite-2-partie-sur-le-logiciel-excel","status":"publish","type":"post","link":"http:\/\/ms.iaca.fr\/activite-2-partie-sur-le-logiciel-excel","title":{"rendered":"Activit\u00e9 2 : partie sur le logiciel Excel"},"content":{"rendered":"\n
\"\"<\/figure>\n\n\n\n

Reproduire le tableau pr\u00e9c\u00e9dent sur le logiciel EXCEL. <\/p>\n\n\n\n

activite2_statCigognes<\/a>T\u00e9l\u00e9charger<\/a><\/div>\n\n\n\n

Quelle est la fonction qui permet de calculer la moyenne ? <\/p>\n\n\n\n

=moyenne(plage de donn\u00e9e)<\/p>\n\n\n\n

Quelle est la moyenne du nombre de couples de cigognes ? <\/p>\n\n\n\n

En affichant la moyenne en bas de colonne : 98,33 couples de cigognes<\/p>\n\n\n\n

Quelle est la moyenne du nombre de naissances en Alsace? <\/p>\n\n\n\n

En utilisant la poign\u00e9e de recopie : 22 539,10 naissances en Alsace<\/p>\n\n\n\n

<\/p>\n\n\n\n

ASTUCES EXCEL<\/strong><\/p>\n\n\n\n

\u2713 utiliser le \u00ab\u00a0=\u00a0\u00bb pour saisir une formule
\u2713 lire les suggestions propos\u00e9e par EXCEL
\u2713 utiliser la poign\u00e9e de recopie<\/p>\n\n\n\n

On s\u2019int\u00e9resse plus particuli\u00e8rement aux p\u00e9riodes 1980 et 2000. Voici quelques chiffres issus des donn\u00e9es des deux graphiques. Compl\u00e9ter les tableaux ci-dessous. Exprimer la fr\u00e9quence au centi\u00e8me pr\u00e8s.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\"\"
<\/p>\n\n\n\n

\u00c0 partir de ces donn\u00e9es :
a) Quel est le pourcentage de couples de cigognes ayant nich\u00e9 en Alsace entre 1980 et 1990 ?<\/p>\n\n\n\n

4,84% + 8,72% = 13,56%<\/p>\n\n\n\n

b) Quel est le pourcentage d\u2019enfants n\u00e9s en Alsace entre 1980 et 1990 ?<\/p>\n\n\n\n

24,07% + 23,89% = 47,95%<\/p>\n\n\n\n

c) Compl\u00e9ter, sur le m\u00eame graphique, les histogrammes des fr\u00e9quences correspondants aux deux s\u00e9ries statistiques.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\"\"<\/p>\n\n\n\n

d) Quelle observation peut-on faire en comparant ces deux histogrammes ?<\/p>\n\n\n\n

Il n’y a pas de lien entre l’\u00e9volution du nombre de couple de cigogne et le nombre de naissances<\/p>\n\n\n\n

e) En conclusion, qu\u2019en est-il de la l\u00e9gende \u00ab La cigogne est connue pour apporter les b\u00e9b\u00e9s \u00bb ?<\/p>\n\n\n\n

Il n’y a pas de lien entre ces deux donn\u00e9es, la l\u00e9gende est fausse pour ces ann\u00e9es.<\/p>\n","protected":false},"excerpt":{"rendered":"

Reproduire le tableau pr\u00e9c\u00e9dent sur le logiciel EXCEL. Quelle est la fonction qui permet de calculer la moyenne ? =moyenne(plage de donn\u00e9e) Quelle est la moyenne du nombre de couples de cigognes ?  En affichant la moyenne en bas de colonne : 98,33 couples de cigognes Quelle est la moyenne du nombre de naissances en Alsace?  En … <\/p>\n