Nilai UH 5,7,8,9,10Banyak UH Siswa 4,5,20,5,6 Berapakah rata-ratanya
plis di jawabn...hehe![]()
plis di jawabn...hehe
Jawaban:
nilai
- 5 = 4 siswa
- 7 = 5 siswa
- 8 = 20 siswa
- 9 = 5 siswa
- 10 = 6 siswa
banyak siswa = 4+5+20+5+6 = 40siswa
rata rata : jumlah data/banyak data
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[tex] \sf rata \: rata = \frac{(5 \times 4) + (7 \times 5) + (8 \times 20) + (9 \times 5) + (6 \times 10)}{40} [/tex]
[tex] \sf rata \: rata = \frac{20+35 + 160+45 + 60}{40} [/tex]
[tex] \sf rata \: rata = \frac{320}{40} [/tex]
[tex] \sf rata \: rata =8[/tex]
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