For an ungrouped data 10,15,20,25,15,x median and mode are equal.find x and also mean for the givendata solution
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mode =15
But given mode = median =15
Relation between mode, median and mean is
Mode = 3 median-2 mean
15=3*15-2mean
15-45= -2mean
-30=-2mean
Mean =30/2
Mean =15
2)mean=(10+15+20+25+15+x)/6
15=(85+x)6
90=85+x
90-85=x
x=5
But given mode = median =15
Relation between mode, median and mean is
Mode = 3 median-2 mean
15=3*15-2mean
15-45= -2mean
-30=-2mean
Mean =30/2
Mean =15
2)mean=(10+15+20+25+15+x)/6
15=(85+x)6
90=85+x
90-85=x
x=5
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