RITA SOAL STATISTIK KELAS 10
Quiz
•
Mathematics
•
1st Grade
•
Easy
Rita Anggraeni
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11 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Nilai rata-rata ujian matematika dari 34 siswa adalah 49. Jika nilai dari seorang siswa
lainnya yang bernama Dodo digabung dengan kelompok ini, maka nilai rata-ratanya
menjadi 50. Berapakah nilai ujian dari Dodo tersebut?
76
80
83
84
86
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Terdapat dua kelompok siswa, laki-laki dan perempuan dalam suatu ujian matematika.
Kelompok laki-laki yang berjumlah 20 anak mempunyai rata-rata 6, sedangkan
kelompok perempuan mempunyai rata-rata ujian 8 dan banyaknya anak 30. Andaikan
kedua kelompok tersebut digabung, berapakah rata-ratanya yang baru?
7,2
7,5
7,8
7.9
8,2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Istilah untuk JUMLAH dalam statistik yaitu
Median
Mean
Average
Modus
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Istilah statistik untuk nilai rata-rata adalah
Median
Mean
Modus
Sum
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Suatu keluarga mempunyai 5 orang anak. Anak termuda berumur x tahun dan yang tertua 2x tahun. Tiga anak yang lain berturut-turut berumur x + 2, x + 4 dan 2x - 3. Bila rata-rata hitung mereka adalah 16 tahun, maka anak termuda berumur .... Tahun
8
9
11
13
14
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dari data berikut : 6, 8, 5, 10, 6, 9, 3, 2, 2 maka...
modus = 6 ; median = 6
rata-rata = 7¼ ; jangkauan = 5
median = 7 ; rata-rata = 7¼
modus = 7 ; jangkauan = 8
rata-rata = 7½ ; modus = 6
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jika nilai rata-rata hitung dari x1, x2, x3 adalah 7 dan rata-rata hitung dari data x4, x5, x6, x7 adalah 14, maka rata-rata hitung dari tujuh data tersebut adalah...
9
11
13
15
17
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