mean of 10 observation is 12.5. if the mean of 4 observation of them is 5 . find the mean of the remaining observations.
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Answer:
the answer is 7.5
Step-by-step explanation:
given
mean of 10 observations =12.5
mean of 4 observations=5
mean of 10 -mean of 4 =mean of remaining observations
12.5-5.0=7.5
the mean of reamining observations is 7.5
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