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 The mean of 15 observations is 16.4 . If we remove one observation from it then the mean of remaining observations is 17 , then find out the removed observation ? [ Calculator, Method and examples ]Solution:Your problem -> The mean of 15 observations is 16.4 . If we remove one observation from it then the mean of remaining observations is 17 , then find out the removed observation ?Here Mean X = 16.4 and n = 15Sigma X = X × n = 16.4 × 15 = 246After removing one observation, the mean of remaining observations is 17:. the correct sum Sigma X = 17 × 14 = 238.:. the removed observation = 246 - 238 = 8.

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