The Mean Formula for The Grouped Data

The Mean Formula for The Grouped Data

Information :

f = Frequency

x = Data

Σ = Sigma

i = Sequence of data

x̅ = Mean of data

Example :

From the table above, please determine the mean !

Answer :

x̅ = (Σ f_i . x_i )/Σf_i

x̅ = 535/40

x̅ = 13.38

So the mean of the data is 13.38.

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Reference :

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