Grouped Data Arithmetic Mean Definition:
Data arising from organising n observed values into a smaller number of disjoint groups of values, and counting the frequency of each group; often presented as a frequency table..
Formula:
Grouped Data Arithmetic Mean :
Arithmetic Mean = ΣfX/Σf
where
X = Individual score
f = Frequency
Grouped Data Arithmetic Mean Example: To find the Arithmetic Mean of 1,2,3,1,2,3,2.
The arithmetic mean = 1+2+3+1+2+3+2/7 = 14/7 = 2
In this case there are two 1's, three 2's and two 3's. The number of times each number occurs is called its frequency.
This can be clearly given in a table as below.
This tutorial will help you dynamically to find the Grouped data Arithmetic Mean problems.
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