d) The rean of 25 observations is N , the total of the observations is 300 , white $$ \sum_{i=1}^{25}\left(x_{i}-N\right)^{2}=625 $$. Find i. The value of N in. The standard deviation of the observation ( 2 Marks ( 2 Marks

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Parsons Hampton · Accepted Answer

The mean $$ N $$ is 12 and the standard deviation is 5.

d) The rean of 25 observations is N , the total of the observations is 300 , white \( \sum_{i=1}^{25}\left(x_{i}-N\right)^{2}=625 \). Find i. The value of N in. The standard deviation of the observation ( 2 Marks ( 2 Marks

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d) The rean of 25 observations is N , the total of the observations is 300 , white \( \sum_{i=1}^{25}\left(x_{i}-N\right)^{2}=625 \). Find i. The value of N in. The standard deviation of the observation ( 2 Marks ( 2 Marks

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