Compute Mean, Median and Mode for the following data
Class 0-10 10-20 20-30 30-40 40-50
Frequency 3 5 9 3 2
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Compute Mean, Median and Mode for the following data
Class 0-10 10-20 20-30 30-40 40-50
Frequency 3 5 9 3 2
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Answer:
Class:- Frequency(f):- x:- f(x):-
0-10 3 5 3×5=15
10-20 5 15 5×15=75
20-30 9 25 9×25=225
30-40 3 35 3×35=105
40-50 2 45 2×45=90
Total:- €f=22 €f(x)=510
Mean=€f(x)/€f.
=510/22.
=23.18181818181.
Median=n+1/2.
=5+1/2.
=6/2.
=3.
So, Median of 3rd value=9.
(or).
In ascending order, 2,3,3,5,9.
So, Median of 3rd value=3.
Mode=3.
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