Médiane et quartiles avec des classes

Voici les données d'une série statistique:
Valeurs [ 50 ; 80 [ [ 80 ; 110 [ [ 110 ; 160 [ [ 160 ; 170 [ [ 170 ; 200 [ [ 200 ; 210 [ [ 210 ; 220 [ [ 220 ; 260 [ [ 260 ; 270 [ [ 270 ; 280 [
Effectif 52 7 79 36 69 80 21 23 64 74
  1. Dans quelle classe se situe la médiane de cette série: [ ; [
  2. Dans quelle classe se situe Q1:[ ; [
  3. Dans quelle classe se situe Q3:[ ; [


This is exercise number 1 in a series of 3 exercises.
  • 1
  • 2
  • 3

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