Question

Le tableau ci-dessous présente la répartition de la population en région Centre-Val de Loire au 1ER janvier 2014.

Département - Nombre d'habitants - Superficie (en km²)

Cher - 312 052 - 7 235
Eure et Loir - 435 834 - 5 880
Indre - 225 993 - 6 785
Indre et Loire - 602 025 - 6 127
Loir et Cher - 333 758 - 6 343
Loiret - 667 812 - 6 775


1. Pour chaque département , calculer le nombre moyen d'habitants par km² .
Donnez un valeur approchée a l'unité près.

2. a. Calculer le nombre d'habitants et la superficie de la région Centre-Val de Loire.
b. en déduire le nombre moyen d'habitants par km² de cette région.
Donnez une valeur approchée à l'unité près.

3. Calculer la moyenne des moyennes obtenues à la question
1. Que remarque t-on ? Expliquer.

Answer 1

Respuesta:

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Explicación paso a paso:

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