50 lines
678 B
Plaintext
50 lines
678 B
Plaintext
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; => permet de masquer la réponse
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--------------------------
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save "toto.sod"
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export LIBGL_ALWAYS_SOFTWARE=1
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scilab
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load ("toto.sod")
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----------------------------
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Q2)
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X=[3 1 5 3 2 7 0 1 0 3 2 4 4 0 3 3 2 5 3 1];
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M=tabul(X,"i")
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Q3)
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tri les valeur par ordre croissant
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Q4)
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f=M(:,2)
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v= f/length(X)
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Q5)
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n=M(:,1)
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Q6)
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pour trouver les fréquences cumulées:
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fcc = cumsum(v)
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bar (n,fcc)
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Q7)
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pour trouver le mode:
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modeX = X(find(v == max(v)))
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Q8)
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Pour calculer la moyenne, 3 possibilitées:
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- mu = sum(n.*f)
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- mu = mean(X)
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- mu = sum(X)/length(X)
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Q9)
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Pour trouver les quartiles:
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Xtrie = gsort(X,'c','i')
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quartile1 = Xtrie(length(X)/4)
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quartile3 = Xtrie(3*length(X)/4)
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Q10)
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