Jawaban:
27,85
Penjelasan dengan langkah-langkah:
rata-rata = jumlah data/banyak data
jumlah data=
25×1 = 25
26×2 = 52
27×5 = 135
28×5 = 140
29×5 = 145
30×2 = 60
jumlah = 557
banyak data=
1+2+5+5+5+2= 20
rata-rata
=jumlah data/banyak data
=557/20
=27,85
semoga membantu:)
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Jawaban:
27,85
Penjelasan dengan langkah-langkah:
rata-rata = jumlah data/banyak data
jumlah data=
25×1 = 25
26×2 = 52
27×5 = 135
28×5 = 140
29×5 = 145
30×2 = 60
jumlah = 557
banyak data=
1+2+5+5+5+2= 20
rata-rata
=jumlah data/banyak data
=557/20
=27,85
semoga membantu:)