Rata-rata Statistik
Quiz
•
Mathematics
•
7th Grade
•
Practice Problem
•
Medium
tapsir sn
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15 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Tentukan nilai rata-rata hitung dari data 6, 4, 8, 10, 11, 10, 7
6
7
8
9
10
2.
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
3.
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
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
4,2
4,0
3,8
3,6
3,4
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
12,25
12,48
13,18
13,38
13,50
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
80
83
85
87
90
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Rp 4.500.000,00
Rp 4.800.000,00
Rp 5.000.000,00
Rp 5.500.000,00
Rp 5.800.000,00
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