A) 90
B) 70
C) 83.75
D) 85
Correct Answer: C
Solution :
\[\frac{N}{2}=\frac{75}{2}=37.5\] Median\[={{L}_{1}}+\frac{{{L}_{2}}-{{L}_{1}}}{f}\left[ \frac{N}{2}-P \right]\] \[=80+\frac{90-80}{20}[37.5-30]=83.75\]
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