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
If the modal class of a frequency distribution is $70-85,$ then in the formula for mode,$l=$ ..........
Easy
View SolutionThe median of the following frequency distribution is $46$ and the total frequency is $230$. Find the missing frequencies $x$ and $y$.
Class $10-20$ $20-30$ $30-40$ $40-50$ $50-60$ $60-70$ $70-80$ Frequency $12$ $30$ $x$ $65$ $y$ $25$ $18$
| Class | $10-20$ | $20-30$ | $30-40$ | $40-50$ | $50-60$ | $60-70$ | $70-80$ |
| Frequency | $12$ | $30$ | $x$ | $65$ | $y$ | $25$ | $18$ |
Difficult
View SolutionFor some given data,if $\bar{x} + Z = 37.5$ and $\bar{x} - Z = 1.5$,then $M = \ldots$
Easy
View SolutionIf $M = 72$ and $\bar{x} = 70$,then $Z = \ldots \ldots \ldots \ldots$
Medium
View SolutionFind the mode of the following frequency distribution:
Class $0-10$ $10-20$ $20-30$ $30-40$ $40-50$ $50-60$ $60-70$ $70-80$ Frequency $6$ $8$ $17$ $24$ $42$ $30$ $15$ $8$
| Class | $0-10$ | $10-20$ | $20-30$ | $30-40$ | $40-50$ | $50-60$ | $60-70$ | $70-80$ |
|---|---|---|---|---|---|---|---|---|
| Frequency | $6$ | $8$ | $17$ | $24$ | $42$ | $30$ | $15$ | $8$ |
Medium
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