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Finding mean for Grouped Data when class Intervals are not given

What is mean?

Question

What is mean?

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

The product of the observations

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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 = $\frac{Sum of the observations}{total number of observations}$

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Finding mean for Grouped Data when class Intervals are not given

Standard X Mathematics

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