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

Weight (in g) Number of packets
200-201
201-202
202-203
203-204
204-205
205-206
12
26
20
9
2
1

  Determine the modal weight.

Answers (1)

Answer.    [201.7 g]
Solution.        

Here l  = 201, f1 = 26, f0 = 12, f2 = 20, h = 1
\Rightarrow 201+\left ( \frac{26-12}{2\times 26-12-20} \right )\times 1
\Rightarrow 201+\left ( \frac{14}{52-32} \right )
\Rightarrow 201+\frac{14}{20}
\Rightarrow 201+0\cdot 7= 201\cdot 7 g

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