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प्रश्न
Draw a histogram to represent the following grouped frequency distribution:
| Ages (in years) | Number of teachers |
| 20 – 24 | 10 |
| 25 – 29 | 28 |
| 30 – 34 | 32 |
| 35 – 39 | 48 |
| 40 – 44 | 50 |
| 45 – 49 | 35 |
| 50 – 54 | 12 |
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उत्तर
The given table is in exclusive form.
So, first convert it into an exclusive form, as given below:
| Ages (in years) | Number of teachers |
| 19.5 – 24.5 | 10 |
| 24.5 – 29.5 | 28 |
| 29.5 – 34.5 | 32 |
| 34.5 – 39.5 | 48 |
| 39.5 – 44.5 | 50 |
| 44.5 – 49.5 | 35 |
| 49.5 – 54.5 | 12 |
A histogram for this table is shown in the figure given below:
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संबंधित प्रश्न
Given below are the seats won by different political parties in the polling outcome of a state assembly elections:-
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| Seats Won | 75 | 55 | 37 | 29 | 10 | 37 |
- Draw a bar graph to represent the polling results.
- Which political party won the maximum number of seats?
The following table gives the life times of 400 neon lamps:-
| Life time (in hours) | Number of lamps |
| 300 - 400 | 14 |
| 400 - 500 | 56 |
| 500 - 600 | 60 |
| 600 - 700 | 86 |
| 700 - 800 | 74 |
| 800 - 900 | 62 |
| 900 - 1000 | 48 |
- Represent the given information with the help of a histogram.
- How many lamps have a life time of more than 700 hours?
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(a) VI, VIII (b) VI, IX (c) VIII, IX (d) VIII, X
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| Years | 1995-96 | 1996-97 | 1997-98 | 1998-99 | 1999-2000 |
| Income (Rs. inthousands) |
100 | 140 | 150 | 170 | 210 |
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Represent the above data by a gar graph.
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Represent the above data by drawing a suitable bar graph.
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| Boys | 12 | 5 | 4 | 4 | 10 | 2 |
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Draw a double bar graph for the above data.
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a. What information is given by the graph?
b. Which state is the largest producer of wheat?
c. Which state is the largest producer of sugar?
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e. Which state has the total production of wheat and sugar minimum?
