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ELEMENTS FORMULE INTERPRETATION
ETENDUE E=PGV-PPV E=… c’est l’ecart des
(note) … en
(matiére…)
Q1=25%
Q1= =ECC
Determination de la
classe Q1
Q1=
25% de …ayant un
(e)…inférieure
à…(unitée)
Q2=50% (Me)
Q2= =ECC
Determination de la
classe Q2
Q2=
50%de (eleve)… ayant
une(note)..(sup ou
inf)
Q3=75%
Q2= =ECC
Determination de la
classe Q3
Q3=
75% de (eleve)…
ayant une(note)..(sup
ou inf)
Ecart-
interquartile
Iq=Q3-Q1 En general, l’ecart
inter est de..
Moy
aréthmitique
Ẋ=
Ci= centre (continue)
Le ou la moyenne de
.. est de ..
Variance (V)
V= « Xi=Ci
(continue) »
« Xi=ni (dicret) »
Ecart-type σ σ =
Cout de
Variance
CV=
cv 1 faible CV 1
vaste
Le CV reflète soit la
faiblesse ou s’il est
vaste

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Statistique

  • 1. ELEMENTS FORMULE INTERPRETATION ETENDUE E=PGV-PPV E=… c’est l’ecart des (note) … en (matiére…) Q1=25% Q1= =ECC Determination de la classe Q1 Q1= 25% de …ayant un (e)…inférieure à…(unitée) Q2=50% (Me) Q2= =ECC Determination de la classe Q2 Q2= 50%de (eleve)… ayant une(note)..(sup ou inf) Q3=75% Q2= =ECC Determination de la classe Q3 Q3= 75% de (eleve)… ayant une(note)..(sup ou inf) Ecart- interquartile Iq=Q3-Q1 En general, l’ecart inter est de.. Moy aréthmitique Ẋ= Ci= centre (continue) Le ou la moyenne de .. est de .. Variance (V) V= « Xi=Ci (continue) » « Xi=ni (dicret) » Ecart-type σ σ = Cout de Variance CV= cv 1 faible CV 1 vaste Le CV reflète soit la faiblesse ou s’il est vaste