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$Z= A +\frac{\sum f_{i} u_{i}}{\sum f_{i}} \times h$
Explore More
Similar Questions
The monthly income of $100$ families is given as follows:
Income (in $Rs.$) Number of families $0-5000$ $8$ $5000-10000$ $26$ $10000-15000$ $41$ $15000-20000$ $16$ $20000-25000$ $3$ $25000-30000$ $3$ $30000-35000$ $2$ $35000-40000$ $1$
Calculate the modal income (in $Rs.$).
| Income (in $Rs.$) | Number of families |
| $0-5000$ | $8$ |
| $5000-10000$ | $26$ |
| $10000-15000$ | $41$ |
| $15000-20000$ | $16$ |
| $20000-25000$ | $3$ |
| $25000-30000$ | $3$ |
| $30000-35000$ | $2$ |
| $35000-40000$ | $1$ |
Calculate the modal income (in $Rs.$).
Medium
View SolutionDaily wages of $110$ workers,obtained in a survey,are tabulated below:
Daily wages (in $Rs.$) Number of workers $100-120$ $10$ $120-140$ $15$ $140-160$ $20$ $160-180$ $22$ $180-200$ $18$ $200-220$ $12$ $220-240$ $13$
Compute the mean daily wages of these workers (in $Rs.$).
| Daily wages (in $Rs.$) | Number of workers |
| $100-120$ | $10$ |
| $120-140$ | $15$ |
| $140-160$ | $20$ |
| $160-180$ | $22$ |
| $180-200$ | $18$ |
| $200-220$ | $12$ |
| $220-240$ | $13$ |
Compute the mean daily wages of these workers (in $Rs.$).
Difficult
View SolutionThe frequency distribution of marks obtained by $400$ students is given below. If the mean of the frequency distribution is $41.2$,find the missing frequencies $x$ and $y$.
Marks $0-10$ $10-20$ $20-30$ $30-40$ $40-50$ $50-60$ $60-70$ $70-80$ Number of students $26$ $26$ $x$ $110$ $84$ $y$ $36$ $32$
| Marks | $0-10$ | $10-20$ | $20-30$ | $30-40$ | $40-50$ | $50-60$ | $60-70$ | $70-80$ |
| Number of students | $26$ | $26$ | $x$ | $110$ | $84$ | $y$ | $36$ | $32$ |
Medium
View SolutionIn the formula $\bar{x} = A + \frac{\Sigma f_{i} u_{i}}{\Sigma f_{i}} \times c$,$c$ represents .......
Easy
View SolutionIf $M = 72$ and $\bar{x} = 70$,then $Z = \ldots \ldots \ldots \ldots$
Medium
View SolutionVedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo