The formula to find the mode of a grouped data is $\ldots \ldots \ldots . . .$
- A$Z=l+\frac{(\frac{n}{2}-cf)}{f} \times c$
- B$Z=l+\left(\frac{f_{1}-f_{0}}{2 f_{1}-f_{0}-f_{2}}\right) \times h$
- C$Z=3M - 2\bar{x}$
- D$Z= A +\frac{\sum f_{i} u_{i}}{\sum f_{i}} \times h$
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Similar Questions
The maximum bowling speeds,in $km/h$,of $33$ players at a cricket coaching centre are given as follows:
Speed $(km/h)$ $85-100$ $100-115$ $115-130$ $130-145$ Number of players $11$ $9$ $8$ $5$
Calculate the median bowling speed (in $km/h$).
| Speed $(km/h)$ | $85-100$ | $100-115$ | $115-130$ | $130-145$ |
| Number of players | $11$ | $9$ | $8$ | $5$ |
Calculate the median bowling speed (in $km/h$).
Medium
View SolutionFor a given frequency distribution,$n=100$ and $\Sigma f_{i} x_{i}=245$. Then,$\bar{x}=\ldots \ldots \ldots \ldots$
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View SolutionThe median class of the following frequency distribution is ...........
Class $0-10$ $10-20$ $20-30$ $30-40$ $40-50$ $50-60$ Frequency $4$ $5$ $9$ $10$ $14$ $8$
Total frequency $n = 50$.
| Class | $0-10$ | $10-20$ | $20-30$ | $30-40$ | $40-50$ | $50-60$ |
| Frequency | $4$ | $5$ | $9$ | $10$ | $14$ | $8$ |
Total frequency $n = 50$.
Easy
View SolutionIn a maths test taken by $40$ students,the average score of $30$ boys is $16$ and the average score of $10$ girls is $12$. Which of the following gives the average score of the whole class?
Medium
View SolutionThe formula to find the mean of an ungrouped data is ........
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