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The mean of a data is defined as ____.

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Detailed Solution

The mean of a data is defined as

.
The mean of a data set is determined by taking the sum of all numbers in the data set and then dividing the obtained sum by the number of observations in the set.
Hence, the correct answer is

S u m o f a l l o b s e r v a t i o n n u m b e r o f o b s e r v a t i o n

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