Find the mean of the given data in the following table
Class:-0-20,20-40,40-60
Frequency:-6,7,3
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Answer:
Mean = 26.25
Step-by-step explanation:
We are given the data in the following table;
Class Frequency (f) X X*f
0 - 20 6 10 60
20 - 40 7 30 210
40 - 60 3 50 150
∑f = 16 ∑X*f = 420
Mean of given data, X bar =
= = 26.25
Therefore, mean of given data is 26.25 .
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