Rata-rata Nilai tes matematika 10 siswa adalah 65. Jika ditambah 5 nilai siswa lainnya maka rata-ratanya menjadi 70. Nilai rata-rata 5 siswa yang ditambahkan adalah ….
soal statistika Nidia

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Mathematics
•
11th Grade - Professional Development
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Easy
Dwi Putriyanti
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1.
FLASHCARD QUESTION
Front
Back
80
2.
FLASHCARD QUESTION
Front
Data dengan rata-rata 16 dan jangkauan 6 diubah menjadi rata-rata 20 dan jangkauan 9 dengan operasi a dan b. Hitung 2a + b.
Back
7
3.
FLASHCARD QUESTION
Front
Nilai ulangan matematika satu kelas disajikan dengan histogram seperti gambar di atas. Nilai mediannya adalah ....
Back
65,5
4.
FLASHCARD QUESTION
Front
Nilai rata – rata tes matematika di suatu kelas adalah 72. Nilai rata-rata siswa putra adalah 75 dan nilai rata-rata siswa putri adalah 70. Jika banyaknya siswa putri 6 lebih banyak dari siswa putra, maka banyaknya siswa di kelas tersebut adalah ….
Back
30
5.
FLASHCARD QUESTION
Front
Median dari data yang disajikan tersebut adalah ….
Back
37,625
6.
FLASHCARD QUESTION
Front
Modus dari data pada tabel di atas adalah: 49,5, 50,5, 51,5, 52,5, 53,5
Back
51,5
7.
FLASHCARD QUESTION
Front
Modus dari berat badan siswa pada tabel tersebut adalah ….
Back
50,9
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