obtain the mean of the following distribition:
12
Variable 4,6,8,10,12
frequency 4,8,14,11,3
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Mean=(16+48+112+110+36)/40
=322/40 =8.05
rajnandini34:
I didn't understand how????
Here you need to multiply the variables with their frequency
and sum them up
Ok thanks
the next you have to do is to divide the sum with the sum of frequency
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