
UK PENY DAT
Authored by cornel lia
Mathematics
University

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14 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Nilai rata-rata matematika dalam satu kelas adalah 5,5. Jika ditambah nilai seorang siswa baru dengan nilai 7,5, maka nilai rata-ratanya menjadi 5,7. Banyak siswa dalam kelas tersebut adalah ....
8
9
10
11
12
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Berat rata-rata 15 siswa adalah 58 kg. Jika digabung dengan 10 siswa lagi berat rata- ratanya menjadi 56 kg. Berat rata-rata ke 10 siswa tersebut adalah ...
51
52
53
54
55
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Simpangan rata-rata dari data 4, 6, 5, 3, 2 adalah . . . .
1,2
1,3
1,5
2
2,5
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Simpangan baku dari data tunggal 4, 6, 7, 6, 3, 4.
2
2
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Dari sekelompok siswa, diketahui tinggi rata-ratanya adalah 168 cm. jika seorang siswa memiliki tinggi badan 171 cm, dengan simpangan baku sebesar 0,25 maka nilai angka baku dari sekelompok siswa adalah ….
1,2
1,8
12
16
18
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Sekelompok data mempunyai rata – rata hitung 50 dan simpangan baku 2 maka nilai dari koefisien variansinya adalah ….
2%
2,5%
4%
20%
40%
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
154,5
155,5
156,5
157,5
159,5
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