For a symmetrical distribution,if ${Q_1} = 25$ and ${Q_3} = 45$,the median is
- A$20$
- B$25$
- C$35$
- DNone of these
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View SolutionCompute the median from the following table:
Marks obtained No. of students $0-10$ $2$ $10-20$ $18$ $20-30$ $30$ $30-40$ $45$ $40-50$ $35$ $50-60$ $20$ $60-70$ $6$ $70-80$ $3$
| Marks obtained | No. of students |
|---|---|
| $0-10$ | $2$ |
| $10-20$ | $18$ |
| $20-30$ | $30$ |
| $30-40$ | $45$ |
| $40-50$ | $35$ |
| $50-60$ | $20$ |
| $60-70$ | $6$ |
| $70-80$ | $3$ |
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