Jawaban:
nilai frekuensi jumlah
50 5 250
55 3 165
60 3 180
65 4 260
70 3 210
75 2 150
total = 20 1.050
rata - rata = 1.050÷20
= 52,5
median = (60+60) ÷ 2
60
modus = 50
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Jawaban:
nilai frekuensi jumlah
50 5 250
55 3 165
60 3 180
65 4 260
70 3 210
75 2 150
total = 20 1.050
rata - rata = 1.050÷20
= 52,5
median = (60+60) ÷ 2
60
modus = 50