Penjelasan dengan langkah-langkah:
Mean
= (70×3)+(75×2)+(80×5)+(85×6)+(20×3)+(95×1)
/ 3+2+5+6+3+1
= 210+150+400+510+60+95 / 20
= 1425 / 20
= 71,25
median = 5+6 / 2
= 11 / 2
= 5,5
modus = 3
jangkauan data = 6-1
= 5
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Penjelasan dengan langkah-langkah:
Mean
= (70×3)+(75×2)+(80×5)+(85×6)+(20×3)+(95×1)
/ 3+2+5+6+3+1
= 210+150+400+510+60+95 / 20
= 1425 / 20
= 71,25
median = 5+6 / 2
= 11 / 2
= 5,5
modus = 3
jangkauan data = 6-1
= 5