To present a large amount of data so that a reader can make sense of it easily,the variable values are condensed into groups called ..........
- AFrequency
- Bclasses
- Cprimary data
- Dsecondary data
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Similar Questions
Draw a histogram for the following frequency distribution with unequal class length:
Class $0-10$ $10-20$ $20-40$ $40-70$ $70-100$ Frequency $15$ $13$ $28$ $36$ $27$
| Class | $0-10$ | $10-20$ | $20-40$ | $40-70$ | $70-100$ |
| Frequency | $15$ | $13$ | $28$ | $36$ | $27$ |
Medium
View SolutionThe mean of $25$ observations is $36$. If the mean of the first $13$ observations is $32$ and the mean of the last $13$ observations is $40$,find the $13^{\text{th}}$ observation.
Medium
View SolutionBelow is the distribution of "more than" type of marks obtained by $50$ students in a $100$ marks examination. Prepare the grouped frequency distribution from that.
Obtained marks No. of Students $0$ or more than $0$ $50$ $20$ or more than $20$ $48$ $40$ or more than $40$ $40$ $60$ or more than $60$ $31$ $80$ or more than $80$ $10$
| Obtained marks | No. of Students |
| $0$ or more than $0$ | $50$ |
| $20$ or more than $20$ | $48$ |
| $40$ or more than $40$ | $40$ |
| $60$ or more than $60$ | $31$ |
| $80$ or more than $80$ | $10$ |
Medium
View SolutionRepresent the following data by a bar graph:
Name of student Kavya Ariv Ahaan Arya Arushi Marks scored $90$ $80$ $50$ $60$ $40$
| Name of student | Kavya | Ariv | Ahaan | Arya | Arushi |
| Marks scored | $90$ | $80$ | $50$ | $60$ | $40$ |
Medium
View SolutionState whether each of the following statements is true or false:
$(1)$ The median of the observations $12, 13, 14, 15, 16$ is $14$.
$(2)$ The mode of the observations $1, 3, 5, 7, 9$ is $5$.
$(1)$ The median of the observations $12, 13, 14, 15, 16$ is $14$.
$(2)$ The mode of the observations $1, 3, 5, 7, 9$ is $5$.
Medium
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