The midian of data 16,x,19,x+,7,25,29,34arranged order is 28.find the value of x
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Sum of observation =16+x+19+x+7+25+29+34 = 130 + 2x
Total no. of observation =7
Mean = sum of observation / total no. of observation
28 =130 +2x / 7
28 *7 =130 +2x
196 -130 = 2x
66 =2x
33 = x
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