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b. Median = (data ke-21 + data ke-22) ÷ 2
= (148 + 150) ÷ 2
= 298 ÷ 2
= 149
a) 6+7+3+5+8+10+3=42 siswa seluruhnya
b)diurutkan dari terkecil ke terbesar, setelah itu cari nilai tengah (median)
median = 148+150 / 2 = 149
no.1
6+8+...+4+2 / 5 = ... / 5 = 5
6+8+5+4+2 / 5 = 25 / 5 = 5
jadi jawabannya= 5