The mean of a number of observations is

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.

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

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Similar questions

Range is the

(a) difference between the largest and the smallest observations

(b) difference between the smallest and the largest observations

(d) ratio of the largest to the smallest observation

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