Arithmetic Mean of Grouped Frequency Distribution: Measures of Central Tendencies

[@renuresearchcentre8605]

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[@VahidullahKhan-nz1dq]

Sir background sound thoda slow hona chahiye

[@MathsWithVips]

Thank you for the constructive suggestion.

[@vinodabrum3109]

Sir why did you choose 2 to divide in c.m. formula?

[@MathsWithVips]

Class Mark is evaluated as the arithmetic mean of the lower limit and upper limit, therefore, it is (upper limit + lower limit)/2.

[@ETERNAL__108_Bhagavan]

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