1.

correct mean.The mean of 11 observations is 17.5. If an observation 15 is deleted, find the meanof remaining observations.11 . 1.1.1..2 Dind the miccing frequency in it

Answer»

[(17.5 x 11)-15]/10 hence the answer will be 17.75

17.5*11=192.5 is the total observation192.5-15=177.5Now,mean=177.5/10=17.75



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