Aktivitas Peserta Didik (Mean)

Quiz
•
Mathematics
•
9th - 12th Grade
•
Easy

Nina Damayanti
Used 2+ times
FREE Resource
5 questions
Show all answers
1.
OPEN ENDED QUESTION
15 mins • 5 pts
Berikut adalah data berat badan (kg) siswa kelas X di salah satu SMK Swasta di Tangerang.
1. Jumlahkan seluruh bilangan yang menyatakan berat badan pada Tabel di samping !
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2.
OPEN ENDED QUESTION
15 mins • 5 pts
2. Setelah mendapatkan hasil pada nomor 1, bagilah hasil dari penjumlahan berat badan tersebut dengan jumlah siswa pada tabel di atas!
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3.
OPEN ENDED QUESTION
15 mins • 5 pts
3. Apabila hasil yang kalian peroleh pada langkah nomor 2 merupakan rata-rata (mean) untuk data berat badan, bagaimanakah rumus umum untuk mendapatkan rata-rata (mean) tersebut?
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4.
OPEN ENDED QUESTION
15 mins • 5 pts
4. Tuliskan apa yang dapat kalian simpulkan mengenai rata-rata (mean)?
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5.
OPEN ENDED QUESTION
15 mins • 5 pts
5. Pada suatu kelas terdapat 30 orang siswa yang terdiri dari 18 siswa perempuan dan 12 siswa laki-laki. Pada suatu hari diadakan ujian matematika, ternyata nilai rata-rata siswa perempuan adalah 68 dan rata-rata siswa laki-laki adalah 63. Maka berapakah nilai rata-rata keseluruhan siswa?
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