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Question

The mean of a number of observations is


A
The simple average of the observations
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B
The sum of the observations
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C
The difference between any two observations
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D
None of the above
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Solution

The correct option is A The simple average of the observations

The mean (or average) of a number of observations is the sum of the values of all the observations divided by the total number of observations.

Mean=Total sum of observationstotal number of observations


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