Table 4 : Data Awal
Kemampuan Mendengar Berita Siswa Kelas VII SMP Negeri 2 Tambang Tahun Ajaran 2009 / 2010
No
|
NISN
|
Nama
|
Indikator
|
SKOR
|
|||
NB
|
PB
|
TB
|
SB
|
||||
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
|
9971088378
9951441792
9971242976
9961346216
9971088373
9900922452
9963146498
9940383394
9960643972
9961346480
9951441796
9951442290
9951441790
9961346496
9961346513
9961346504
9971088764
9971346504
9938438908
9971088405
9961346885
9961346885
9961346887
9970887603
|
Acris Saputra
Aryanda Satria
Bayu Putra
Cornelia Tiara
Fadli Rahman
Febrida Wahyuni
Frengki Pramanda
Habi burahman
Hari Mukti
Irsyadul Ibad
Januardi
Kasih Putri .L
Lesi Sartika
Mira Karmila
Mutiara Dewi
Nova Febri .A
Novidianita
Putri Maharani
Rasumi
Riri Febri .Y
Setri Randa
Sri Ramadhani
Vera Yulia
Mardi Saputra
|
60
55
60
60
45
60
60
60
60
60
60
60
50
65
45
60
40
45
60
45
60
50
50
50
|
50
60
65
65
55
65
60
60
50
65
55
55
55
55
70
65
50
65
55
55
65
55
65
55
|
60
55
60
55
50
65
65
60
50
60
50
65
65
60
70
55
55
65
55
60
50
50
60
45
|
60
55
65
60
50
70
65
60
55
45
55
55
65
65
75
60
40
65
55
45
55
40
55
50
|
57,5
56,3
62,5
60
50
65
62,5
60
53,8
65,8
51,5
52,5
61,3
61,3
70
58,8
47,5
63,8
52,5
50
60
47,5
60
52,5
|
Jumlah
|
1330
|
1425
|
1385
|
1382,6
|
|||
Rata – Rata
|
55,4
|
59,38
|
57,7
|
57,6
|
|||
57, 56, 62, 60, 50, 65 47,
47, 50, 50, 50, 51
62, 60, 53, 65, 51, 52 52, 52,
52, 53, 56, 57
61, 61, 70, 50, 47, 63 60,
60, 60, 60, 61, 61
52, 50, 60, 47,60, 52 62,
62, 63, 65, 65, 70
1.
R = 70 – 47 = 23
2.
k = 1 + (3,3 + log n)
=
1 + (3,3 + log 24)
=
1 + (3,3 + 1,38)
=
1 + 4,68
=
5,68 = 6
3.
P = R = 23 = 4
K 6
No
|
Data
|
n
|
Xi
|
Fi.Xi
|
fx
|
1
2
3
4
5
6
|
47 – 50
51 – 54
55 – 58
59 – 62
63 – 66
67 - 70
|
5
5
2
8
3
1
|
48,5
52,5
56,5
60,5
64,5
68,5
|
242,5
262,5
113
484
193,5
68,5
|
5
10
12
20
23
24
|
Jumlah
|
N = 24
|
∑ = 351
|
∑Fi.Xi = 1364
|
||
4.
Mo = Bbmo + P (b1/ b1 + b2)
= 58,5 + 4 ( 6/ 6+5)
= 58,5 + 4 (6/11)
= 58,5 + 2, 18
= 60, 68
5.
Me = Bbme + P (n/2 – Fme)
fme
=
58,5 + 4 (1/2 . 24 – 6)
6
= 58,5 + 4 (12 – 6)
6
=
58,5 + 4 = 62,5
6.
carilah desil 3,5,7
a.
D3 = Bbd + P (n/10
– Fd)
fd
= 50,5 + 4 (24/10 – 5)
10
= 50,5 + 4 (-2,6/ 10)
= 50,5 + 1,04 = 49,46
b.
D3 = Bbd + P (n/10
– Fd)
fd
= 58,5 + 4 (24/10 – 12)
20
= 58,5 + 4 (-9,6/ 20)
= 58,5 + 1,92 = 56,58
c.
D3 = Bbd + P (n/10
– Fd)
fd
= 58,5 + 4 (24/10 – 12)
20
= 58,5 + 4 (-9,6/ 20)
= 58,5 + 1,92 = 56,58
7.
carilah kuartil 1,2,3
a.
Q1 = Bbq + P (n/4
– Fq) Q1 = ¼ x
25 = 6,25
fq
= 50,5 + 4 ( 24/4 – 5)
10
= 50,5 + 0,4 = 50,9
b.
Q1 = Bbq + P (n/4
– Fq) Q2 = 2/4 x
25 = 12,5
fq
= 58,5 + 4 ( 24/4 – 12)
20
= 58,5 + 4 ( -6 )
20
= 58,5 – 1,2 = 57,3
c.
Q1 = Bbq + P (n/4
– Fq) Q3 = 3/4 x
25 = 18,75
fq
= 58,5 + 4 ( 24/4 – 12)
20
= 58,5 + 4 ( -6 )
20
= 58,5 – 1,2 = 57,3
8.
carilah presil 15,30,45
a.
P15 = Bbp + P (n/100 – Fq) P15 = 15 / 100 x 25 = 3,75
FQ
= 46,5 + 4 ( 24/100 – 0 )
5
= 46,5 + 4 ( 0/5)
= 46,5
b.
P30 = Bbp + P (n/100 – Fq) P30 = 30 / 100 x 25 = 7,5
FQ
= 50,5 + 4 ( 24/100 – 5 )
10
= 50,5 + 4 ( -4,76 )
10
= 50,5 – 1,9 = 48,6
