Quizzberikut adalah data nilai ujian anak kelas 675,70,70,70,80,95,100,75,85Tentukan lah mean dari d.... Question from @sitifatimah770836

xcvi

Jawab:
Nilai ujian rata-rata anak kelas 6 = 80

Penjelasan dengan langkah-langkah:

Diketahui ada 9 data
frekuensi (f) = 9

Data-datanya
75,70,70,70,80,95,100,75,85
jumlah = 75+70+70+70+80+95+100+75+85
jumlah (n) = 720

Ditanya mean
mean = n ÷ f
mean = 720 ÷ 9
mean = 80
Nilai ujian rata-rata anak kelas 6 = 80

xcvi

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khadijahamjad12

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___________________________________________

Mean = J Data/B Data

J Data = 70 + 70 + 70 + 75 + 75 + 80 + 85 + 95 + 100

J Data = 140 + 145 + 155 + 180 + 100

J Data = 285 + 335 + 100

J Data = 620 + 100

J Data = 720

B Data = 9

___________________________________________

Mean = 720/9

Mean = 80

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khadijahamjad12 [tex] {\mathcal\color{purple}{{\pink{\underline{\purple{\underline\bold{\pink{K}\bold\color{violet}{h\bold{\pink{a}\bold\color{violet}{d\bold{\pink{i}\bold\color{violet}{j\bold{\pink{a}\bold\color{violet}{h\bold{\pink{A}\bold\color{violet}{m\bold{\pink{j}\bold\color{violet}{a\bold{\pink{d}\bold\color{violet}{1\bold{\pink{2}}}}}}}}}}}}}}}}}}}}}}[/tex]

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SOAL 1

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