
Statistika
Authored by Debora Tan
Mathematics
10th Grade

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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kumpulan data 1, 3, 7, 2, 4, 5, 8, x, 1, -1, 2, 3. Jika rentang data tersebut 10 maka nilai x = ...
9
-2
11
9 atau -2
10 atau -2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Simpangan baku dari data 4, 7, 7, 5, 4, 3, 6, 4 adalah ...
1/5√10
1/2√2
√10
√2
1/2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jumlah pasien yang berobat karena kecelakaan selama 8 hari di puskesmas Cililin adalah 7, 4, 4, 1, 5, 6, 8, 5. Nilai simpangan bakunya adalah ...
1/2
2
2 1/2
4
4√2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Suatu data dengan rata-rata 16 dan jangkauan 6. Jika setiap nilai dalam data dikalikan p kemudian dikurangi q didapat data baru dnegan rata-rata 20 dan jangkauan 9. Nilai dari 2p + q = ...
A. 3
B. 4
C. 7
D. 8
E. 9
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pada suatu ujian yang diikuti 50 siswa diperoleh rata-rata nilai ujian 35 dengan median 40 dan simpangan kuartil 10. Karena rata-rata nilai terlalu rendah, maka semua nilai dikalikan 2, kemudian dikurangi 15. Akibatnya ...
Rata-rata menjadi 70
Rata-rata menjadi 65
Simpangan kuartil menjadi 20
Simpangan kuartil menjadi 5
Median menjadi 80
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dalam suatu kelas terdapat 22 siswa. Nilai rata-rata matematikanya 5 dan jangkauan 4. Bila seorang siswa yang paling tinggi nilainya tidak disertakan, maka nilai rata-ratanya berubah menjadi 4,9. Nilai siswa yang paling rendah adalah ...
5
4
3
2
1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sebuah kumpulan data memiliki nilai rataan 20 dengan rentang 4. Jika setiap nilai dalam kumpulan data itu dikali dengan a kemudian dikurangi dengan b, maka diperoleh kumpulan data baru dengan rataan 25 dan rentang 6. nilai a + b = ...
5
6
7
7,5
8
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