Jawab:
meannya 59,33
Penjelasan dengan langkah-langkah:
mean adalah rata - rata
30 x 2 = 60
40 x 1 = 40
50 x 2 = 100
60 x 3 = 180
70 x 4 = 280
75 x 2 = 150
80 x 1 = 80
890 / 15 = 59,33
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Jawab:
meannya 59,33
Penjelasan dengan langkah-langkah:
mean adalah rata - rata
30 x 2 = 60
40 x 1 = 40
50 x 2 = 100
60 x 3 = 180
70 x 4 = 280
75 x 2 = 150
80 x 1 = 80
890 / 15 = 59,33