In the formula $Z = l + \left( \frac{f_{1} - f_{0}}{2f_{1} - f_{0} - f_{2}} \right) \times c$ for the mode,$l = \ldots \ldots \ldots$
- Alower limit of the modal class
- Bfrequency of the modal class
- Cfrequency of the class preceding the modal class
- Dfrequency of the class succeeding the modal class
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Similar Questions
Find the mean of the following data by all the three methods:
Class $50-70$ $70-90$ $90-110$ $110-130$ $130-150$ $150-170$ Frequency $10$ $18$ $7$ $6$ $5$ $4$
| Class | $50-70$ | $70-90$ | $90-110$ | $110-130$ | $130-150$ | $150-170$ |
| Frequency | $10$ | $18$ | $7$ | $6$ | $5$ | $4$ |
Medium
View SolutionIn the formula $Z = l + \left( \frac{f_{1} - f_{0}}{2f_{1} - f_{0} - f_{2}} \right) \times c$,$f_{1}$ represents:
Easy
View SolutionConsider the following distribution:
Marks obtained Number of students More than or equal to $0$ $63$ More than or equal to $10$ $58$ More than or equal to $20$ $55$ More than or equal to $30$ $51$ More than or equal to $40$ $48$ More than or equal to $50$ $42$
The frequency of the class $30-40$ is:
| Marks obtained | Number of students |
| More than or equal to $0$ | $63$ |
| More than or equal to $10$ | $58$ |
| More than or equal to $20$ | $55$ |
| More than or equal to $30$ | $51$ |
| More than or equal to $40$ | $48$ |
| More than or equal to $50$ | $42$ |
The frequency of the class $30-40$ is:
Easy
View SolutionCumulative frequency distribution is used to calculate the $\ldots \ldots \ldots$ of a frequency distribution.
Easy
View SolutionThe mean of the first ten natural numbers is ........
Medium
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