In the formula $M = l + \frac{(\frac{n}{2} - cf)}{f} \times h$ for the median,$l = \ldots \ldots \ldots$
- ACumulative frequency of the class preceding the median class
- BLower limit of the median class
- CFrequency of the median class
- DTotal frequency
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In the formula $\bar{x} = A + \frac{\Sigma f_{i} u_{i}}{\Sigma f_{i}} \times c$,$c$ represents .......
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View SolutionFor some given data,if $Z - M = 2$ and $\bar{x} = 33.5$,then $Z = \ldots \ldots \ldots$ (in $.5$)
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View SolutionFind the mean,median and mode of the following frequency distribution:
Class $0-50$ $50-100$ $100-150$ $150-200$ $200-250$ $250-300$ $300-350$ Frequency $10$ $15$ $30$ $20$ $15$ $8$ $2$
| Class | $0-50$ | $50-100$ | $100-150$ | $150-200$ | $200-250$ | $250-300$ | $300-350$ |
| Frequency | $10$ | $15$ | $30$ | $20$ | $15$ | $8$ | $2$ |
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View SolutionThe mean and median of a frequency distribution are $72.5$ and $73.9$ respectively. Then,the mode of the data is $\ldots \ldots \ldots . . .$
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View SolutionFind the mean of the following frequency distribution:
Class $10-20$ $20-30$ $30-40$ $40-50$ $50-60$ $60-70$ Frequency $2$ $10$ $40$ $25$ $13$ $10$
(in $.7$)
| Class | $10-20$ | $20-30$ | $30-40$ | $40-50$ | $50-60$ | $60-70$ |
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