
Statistika
Presentation
•
Mathematics
•
10th - 12th Grade
•
Hard
Ade Ahmad Prawirawibawa
Used 2+ times
FREE Resource
6 Slides • 3 Questions
1
Statistika
by Ade P
2
UKURAN PEMUSATAN DATA TUNGGAL
Rata-rata ( Mean )
Median
Modus
3
1. Rata-rata atau Mean
Rata-rata hitung atau mean adalah perbandingan antara nilai jumlah data dengan banyak data.
Jika suatu data terdiri atas x1, x2, x3, .....xn maka rata-rata dirumuskan sebagai :
Jika xi muncul dengan frekuensi tertentu maka rata-ratanya :
4
Multiple Choice
Diketahui data sebagai berikut : 2, 4, 3, 5, 5, 7, 9, 6, 9, 10 maka rata-rata data tersebut adalah ....
5
5,5
5,9
6
6,5
5
2. Median
Median ( Me ) adalah nilai data yang terletak di tengah-tengah suatu data yang telah diurutkan ( data terurut )
1. Jika data ganjil maka
Me = nilai data ke
2. Jika data genap maka
Me =
6
Fill in the Blanks
Type answer...
7
3. Modus
Modus ( Mo ) adalah nilai data yang paling sering muncul atau nilai data yang frekuensinya paling besar.
Berdasarkan banyaknya modus, data dapat dikelompokkan sebagai berikut :
1. Unimodus : data yang memiliki satu modus
2. Bimodus : data yang memiliki dua modus
3. Multimodus : data yang memiliki lebih dari dua modus
4. Data yang tidak memiliki modus
8
Fill in the Blanks
Type answer...
9
TERIMAKASIH
Statistika
by Ade P
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