Question / Soal
:
Gven that: the weight of a number of students
is illustrated by the diagram below. The median of teh data is .....
Answer /
Jawaban :
|
Kelas
|
Frekuensi
|
Frekuensi Kumulatif
Kurang dari
|
|
47 – 49
|
1
|
1
|
|
50 – 52
|
6
|
7
|
|
53 – 55
|
6
|
13
|
|
56 – 58
|
7
|
20
|
|
59 - 61
|
4
|
24
|
Me = Tb +
x p
= 52,5 +
x 3
= 52,5 +
= 52,5 + 2,5
= 55,0 (E)
Name / Nama : Dwi Oktalidiasari
Class
/ Kelas : XI IPA 2
Number of absences & question /
Nomor absen&soal : 20
Page / Halaman : 51
Question / Soal
:
The quartile deviation of the data in the
table below is .....
Simpangan
kuartil dari data pada tabel di bawah adalah .....
|
Height (cm)
Tinggi
(cm)
|
Frequency
Frekuensi
|
|
140-142
|
4
|
|
143-145
|
9
|
|
146-148
|
20
|
|
149-151
|
44
|
|
152-154
|
18
|
|
155-157
|
5
|
Answer /
Jawaban :
|
Kelas
|
Frekuensi
|
Frekuensi
Kumulatif
|
|
140
– 142
|
4
|
4
|
|
143
– 145
|
9
|
13
|
|
146
– 148
|
20
|
33
|
|
149
– 157
|
44
|
77
|
|
152
– 154
|
18
|
95
|
|
|
|
100
|
= Kelas yang memuat Q1 = Kelas yang memuat Q3
Total data => 100 : Q1 =
x
100 =25
Total data => 100 : Q1 =
Q3 =
x
100 = 75
Simpangan Kuartil =
(Q3 - Q1)
=
=
=
=
.
3
=
.
= 2,03 (A)
