Voici une série statistique : 25; 12; 13 ; 20; 17;9; 1; 15; 8 ; 23 ; 14; 17. Pour cette série déterminer : 1) la médiane
2) la moyenne
3) l’étendue
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77

step-by-step explanation:

u bout ugly as   a mf

step-by-step explanation: lol

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,

12

step-by-step explanation:

a triangle's   full angle is 180 degrees so 180 - 156 = 24. 24/2=12