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Verified answer
JawabJangkau Inter Kuartil = 3
(q3 -q1) = 3
4,4,5,5,6,6,6,6,7,7,8,x,y,9,9,10 → banyak data = n= 16
q1 =data ke 1/4 (n+1)= data ke 17/4 = ke 4,125
q1 = 1/2 (data ke 4 + data ke 5) = 1/2 (5 + 6) = 5,5
q3 = data ke 3/4(n+1) = data ke 51/4 = data ke 12,75
q3 = 1/2 (data ke 12 + data ke 13) = 1/2 (x +y)
q3 - q1 = 3
q1 = 5,5
q3 = 3 + q1 = 3 + 5,5 = 8,5
q3 = 1/2 (x +y)
x+y = 2 q3
x+ y = 2(8,5)
x + y = 17
x= 8 , y = 9