Penjelasan dengan langkah-langkah:
banyak data (n) = 4+8+6+3+3 = 24
jumlah data (N) = 110x4 + 120x8 + 130x6 + 140x3 + 150x3 = 440+960+780+420+450 = 3.050
a. mean = N/n = 3.050/24 = 127, 083
b. median = (120 + 130)/2 = 125
c. modus = 120 ( frekuensi terbanyak )
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Penjelasan dengan langkah-langkah:
banyak data (n) = 4+8+6+3+3 = 24
jumlah data (N) = 110x4 + 120x8 + 130x6 + 140x3 + 150x3 = 440+960+780+420+450 = 3.050
a. mean = N/n = 3.050/24 = 127, 083
b. median = (120 + 130)/2 = 125
c. modus = 120 ( frekuensi terbanyak )