statistika
Quiz
•
Mathematics
•
University
•
Practice Problem
•
Hard
Alma Mujahida
Used 1+ times
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nilai rata-rata ujian Matematika dari 43 siswa adalah 56. Jika nilai ujian 2 siswa, yaitu Toni dan Tono digabungkan, nilai rata-rata menjadi 55. Jika nilai Toni 25, berapakah nilai Tono?
40
41
42
43
44
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rataan ulangan harian Matematika kelas A adalah 75 dan kelas B adalah 80. Jika kelas A terdiri 20 anak dan kelas B 30 anak. Tentukan nilai rataan jika nilai mereka digabung?
75
76
77
78
79
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hasil ulangan matematika kelas A jika dijumlahkan semuanya hasilya adalah 2718. Jika rata-rata nilai mereka adalah 75,5 maka berapakah jumlah siswa dalam kelas A?
36
37
38
39
40
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika data 2, a, a, 3, 4, 6 mempunyai rataan c dan data 2, c, c, 4, 6, 2, 1 mempunyai rataan 2a, maka nilai c adalah …
0
1
2
3
4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rata-rata ulangan matematika dari 40 anak adalah 5, 1. Jika seorang siswa tidak disertakan dalam perhitungan, maka nilai rata-ratanya menjadi 5, 0. Nilai siswa tersebut adalah …
10
9
8
7
6
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