Penjelasan dengan langkah-langkah:
Mean
= Jumlah seluruh data/banyaknya data
6,5 = 5+4+6+6+x+7+7+8/8
6,5 = 43+x/8
6,5×8 = 43+x
52 = 43 + x
52 - 43 = x
7 = x
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Penjelasan dengan langkah-langkah:
Mean
= Jumlah seluruh data/banyaknya data
6,5 = 5+4+6+6+x+7+7+8/8
6,5 = 43+x/8
6,5×8 = 43+x
52 = 43 + x
52 - 43 = x
7 = x