median=

Nilai =5,6,6,7,5,8,7,x,8, Nilai Rata-Rata=6,5, Mean = (5 + 5 + 6 + 6 +7 +7 + 8 + 8 + x) / 9, 6,5 * 9 = 52 + x, 58,5 = 52 + x, 52 + x = 58,5, x = 58,5 – 52,
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5,6,6,7,5,8,7,x,8, nilai rata2 = 6,5, 5+6+6+7+5+8+7+x +8 : 9= 6,5, 52 + x : 9= 6,5, 52+x = 58,5, x = 6,5, median 6,5 juga