Q. 214.2( 9 Votes )
The weights of te
Answer :
We will find the mean weight of packet using step - deviation method, where A = Assumed mean and h = length of class interval.
Here, let A = 202.5 and h = 1
We have got
A = 202.5, h = 1, Σfi = 70 & Σfiui = - 38
∵ mean is given by
⇒ 
⇒ 
Thus, mean is 201.96 g.
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