The mean weight is
A) 70.36
B) 70.89
C) 70.25
D) None of these
Correct Answer: C
Solution :
From the given table,
\[N=\sum{{{f}_{i}}=12}\] \[\text{Mean}\,\text{weight}=\frac{\sum{{{x}_{i}}{{f}_{i}}}}{N}=\frac{843}{12}=70.25\]
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