Q. 183.7( 3 Votes )

The weight of coffee in 70 packets are shown in the following table



Determine the model weight.

Answer :

In the given data, the highest frequency is 26, which lies in the interval 201 - 202

Here, l = 201,fm = 26,f1 = 12,f2 = 20 and (class width) h = 1




= 201 + ()


= 201 + ()


= 201 + 14/20


= 201 + 0.7


= 201.7g


Hence, the modal weight is 201.7 g.


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