What is mean?

The simple average of the observations

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The sum of the observations

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The difference between any two observations

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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 = $\frac{T o t a l s u m o f o b s e r v a t i o n}{t o t a l n u m b e r o f o b s e r v a t i o n s}$

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What is mean?

The correct option is A The simple average of the observationsThe 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 observationtotal number of observations