1. Nama
NIM
: REZA VALENSI
: 131201203
Jurusan/prodi
: Tarbiyah/PMA
Sem/unit
: III/4
Email
: reza.valensi@gmail.com
No. Hp.
: 082362236043
Berdasarkan data berikut tentukan :
Rata-rata Hitung
Rata-rata Cording
Rata-rata Harmonik
MODUS
Kelas Interval
1–5
6 – 10
11 – 15
16 – 20
21 – 25
2
2
4
4
8
Jumlah
20
Penyelesaian: Rata-rata Hitung
=
=
= 16.5
3
8
13
18
23
6
16
52
72
184
330

2. Rata-rata Hitung dan Cording
Kelas
Interval
1–5
6 – 10
11 – 15
16 – 20
21 – 25
Jumlah
=
2
2
4
4
8
20
3
8
13
18
23
-2
-1
0
1
2
-4
-2
0
4
16
14
6
16
52
72
184
330
+
= 13 + 5
= 13 + 5 (0.7)
= 13 + 3.5
= 16.5
Rata-rata Harmonik
Kelas Interval
1–5
6 – 10
11 – 15
16 – 20
21 – 25
Jumlah
Jadi
=
=
= 13.214075
= 13.214
2
2
4
4
8
20
3
8
13
18
23
0.6666667
0.2500000
0.3076923
0.2222222
0.0869565
1.5135377

3. Modus
Kelas Interval
1–5
6 – 10
11 – 15
16 – 20
21 – 25
= 20.5
=5
=8–4=4
=8–0=8
= 20.5 + 5
= 20.5 + 5 (0.333)
= 20.500 + 1.667
= 22.167
2
2
4
4
8
3
8
13
18
23