Data terurut:
30 30 40 40 43 45 45 45 53 53 53 53 53 54 54 54 55 55 55 55 56 57 63 65
Q1 = 45
Q2 = (53 + 53)/2
= 106/2
= 53
Q3 = 55
a) jangkauan
J = Xmax - Xmin
= 65 - 30
= 35
b) jangkauan antar kuartil
Jk = Q3 - Q1
= 55 - 45
= 10
c) jangkauan semi kuartil
Qd = 1/2 (Q3 - Q1)
= 1/2 (55 - 45)
= 1/2 × 10
= 5
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Jawaban:
Data terurut:
30 30 40 40 43 45 45 45 53 53 53 53 53 54 54 54 55 55 55 55 56 57 63 65
Q1 = 45
Q2 = (53 + 53)/2
= 106/2
= 53
Q3 = 55
a) jangkauan
J = Xmax - Xmin
= 65 - 30
= 35
b) jangkauan antar kuartil
Jk = Q3 - Q1
= 55 - 45
= 10
c) jangkauan semi kuartil
Qd = 1/2 (Q3 - Q1)
= 1/2 (55 - 45)
= 1/2 × 10
= 5