In the formula $M = l + \frac{(\frac{n}{2} - cf)}{f} \times h$ for the median,$f = \ldots \ldots \ldots$
- Acumulative frequency of the class preceding the median class
- Bfrequency of the median class
- Clower limit of the median class
- Dclass size
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Similar Questions
For some given data,if $\bar{x} + Z = 37.5$ and $\bar{x} - Z = 1.5$,then $M = \ldots$
Easy
View SolutionIf $Z+M=88$ and $Z-M=2$,then $M=\ldots \ldots \ldots \ldots . .$
Medium
View SolutionThe following is the distribution of weights (in $kg$) of $40$ persons:
Weight (in $kg$) $40-45$ $45-50$ $50-55$ $55-60$ $60-65$ $65-70$ $70-75$ $75-80$ Number of persons $4$ $4$ $13$ $5$ $6$ $5$ $2$ $1$
Construct a cumulative frequency distribution (of the less than type) table for the data above.
| Weight (in $kg$) | $40-45$ | $45-50$ | $50-55$ | $55-60$ | $60-65$ | $65-70$ | $70-75$ | $75-80$ |
| Number of persons | $4$ | $4$ | $13$ | $5$ | $6$ | $5$ | $2$ | $1$ |
Construct a cumulative frequency distribution (of the less than type) table for the data above.
Medium
View SolutionThe following are the ages of $300$ patients getting medical treatment in a hospital on a particular day:
Age (in years) $10-20$ $20-30$ $30-40$ $40-50$ $50-60$ $60-70$ Number of patients $60$ $42$ $55$ $70$ $53$ $20$
Form:
$(i)$ Less than type cumulative frequency distribution.
$(ii)$ More than type cumulative frequency distribution.
| Age (in years) | $10-20$ | $20-30$ | $30-40$ | $40-50$ | $50-60$ | $60-70$ |
| Number of patients | $60$ | $42$ | $55$ | $70$ | $53$ | $20$ |
Form:
$(i)$ Less than type cumulative frequency distribution.
$(ii)$ More than type cumulative frequency distribution.
Medium
View SolutionFind 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
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