Answer :

Given the data in the bar chart:

As shown, the data is as follows:

[tex]1,4,3,2[/tex]

the sum of the data = 1 + 4 + 3 + 2 = 10

The number of the data (n) = 4

the mean of the data = Sum/n = 10/4 = 2.5

So, the answer will be: Mean = 2.5

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