The formula to find the median of a grouped data is $\ldots \ldots \ldots \ldots .$
- A$M = 3Z - 2\bar{x}$
- B$M = l + \left( \frac{\frac{n}{2} - cf}{f} \right) \times h$
- C$M = l + \left( \frac{\frac{n}{2} - cf}{f_1 - f_2} \right) \times h$
- D$M = l + \left( \frac{f_1 - f_0}{2f_1 - f_0 - f_2} \right) \times h$
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Similar Questions
Find the mean,median and mode of the following frequency distribution:
Class $0-10$ $10-20$ $20-30$ $30-40$ $40-50$ $50-60$ $60-70$ Frequency $5$ $12$ $18$ $40$ $15$ $7$ $3$
| Class | $0-10$ | $10-20$ | $20-30$ | $30-40$ | $40-50$ | $50-60$ | $60-70$ |
| Frequency | $5$ | $12$ | $18$ | $40$ | $15$ | $7$ | $3$ |
Medium
View SolutionThe abscissa of the point of intersection of the less than type and of the more than type cumulative frequency curves of a grouped data gives its
Easy
View SolutionThe weights (in $kg$) of $50$ wrestlers are recorded in the following table:
Weight (in $kg$) $100-110$ $110-120$ $120-130$ $130-140$ $140-150$ Number of wrestlers $4$ $14$ $21$ $8$ $3$
Find the mean weight of the wrestlers (in $kg$).
| Weight (in $kg$) | $100-110$ | $110-120$ | $120-130$ | $130-140$ | $140-150$ |
| Number of wrestlers | $4$ | $14$ | $21$ | $8$ | $3$ |
Find the mean weight of the wrestlers (in $kg$).
Medium
View SolutionConsider the following frequency distribution of the heights of $60$ students of a class:
Height (in $cm$) Number of students $150-155$ $15$ $155-160$ $13$ $160-165$ $10$ $165-170$ $8$ $170-175$ $9$ $175-180$ $5$
The sum of the lower limit of the modal class and upper limit of the median class is:
| Height (in $cm$) | Number of students |
| $150-155$ | $15$ |
| $155-160$ | $13$ |
| $160-165$ | $10$ |
| $165-170$ | $8$ |
| $170-175$ | $9$ |
| $175-180$ | $5$ |
The sum of the lower limit of the modal class and upper limit of the median class is:
Easy
View SolutionFind the mean,median,and mode of the following frequency distribution:
Class $0-10$ $10-20$ $20-30$ $30-40$ $40-50$ Frequency $5$ $27$ $58$ $20$ $10$
| Class | $0-10$ | $10-20$ | $20-30$ | $30-40$ | $40-50$ |
|---|---|---|---|---|---|
| Frequency | $5$ | $27$ | $58$ | $20$ | $10$ |
Medium
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