arthmetic mean

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Source: — Data Sufficiency |

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by durgesh79 » Sun Jun 22, 2008 4:17 am
statement 1 and 2 are telling the same thing ... so if one of them is suff ... answer is D

given that median = average

as per the statement x = median

x = (2+7+x+11+16)/5

we can find out x.