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Mean
= ( 65 x 2 ) + ( 70 x 4 ) + ( 75 x 5 ) + ( 80 x 8 ) + ( 85 x 5 ) + ( 90 x 4 ) + ( 95 x 2 ) / ( 2 + 4 + 5 + 8 + 5 + 4 + 2
= 2.400/30
= 80
Modus → Angka Yang sering muncul
= 2,4,5,8
Modus (nilai yang paling banyak muncul) : 80
Jadi mean dan modus sama² 80