# The mean of ten observation is 20.if nine of observation are16,20,18,17,22,16,15,20,17,find the tenth observation

2
by divya10

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by divya10

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(200-161)=39............its a easy one

20 =60+20+18+17+22+16+15+20+17+*/10

200= 161*

200/161=*