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Question
Draw a histogram to represent the following data:
Pocket money in ₹ | No. of Students |
150 - 200 | 10 |
200 - 250 | 5 |
250 - 300 | 7 |
300 - 350 | 4 |
350 - 400 | 3 |
Solution
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The number of hours for which students of a particular class watched television during holidays is shown through the given graph.
Answer the following
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Draw histogram and frequency polygon on the same graph paper for the following frequency distribution
Class | Frequency |
15-20 | 20 |
20-25 | 30 |
25-30 | 50 |
30-35 | 40 |
35-40 | 25 |
40-45 | 10 |
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Class-mark of marks | 325 | 375 | 425 | 475 | 525 | 575 |
No. of students | 25 | 35 | 45 | 40 | 32 | 20 |
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Class interval: | 10−15 | 15−20 | 20−25 | 25−30 | 30−35 | 34−40 |
Frequency: | 30 | 98 | 80 | 58 | 29 | 50 |
In a hypothetical sample of 20 people the amounts of money with them were found to be as follows:
114, 108, 100, 98, 101, 109, 117, 119, 126, 131, 136, 143, 156, 169, 182, 195, 207, 219, 235, 118.
Draw the histogram of the frequency distribution (taking one of the class intervals as 50 − 100).
Draw a histogram to represent the following data:
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5600−5700 | 8 |
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5800−5900 | 3 |
5900−6000 | 5 |
6000−6100 | 2 |
6100−6200 | 3 |
6200−6300 | 1 |
6300−6400 | 2 |
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Construct histograms for following frequency distribution:
Class Interval | 1-10 | 11-20 | 21-30 | 31-40 | 41-50 |
Frequency | 11 | 23 | 30 | 20 | 16 |
Construct a frequency polygon without using a histogram for the following frequency distribution :
Class Mark | 10 | 15 | 20 | 25 | 30 | 35 | 40 |
Frequency | 4 | 20 | 40 | 45 | 30 | 25 | 5 |
Draw a histogram for the following frequency distribution.
Use of electricity (Unit)
|
50 - 70 | 70 - 90 | 90 - 110 | 110 - 130 | 130 - 150 | 150 - 170 |
No. of families | 150 | 400 | 460 | 540 | 600 | 350 |
Represent the following data by histogram:
Price of sugar Per kg (in Rs) | Number of weeks |
28-30 | 4 |
30-32 | 8 |
32-34 | 22 |
34-36 | 12 |
36-38 | 6 |
Draw a histogram and frequency polygon to represent the following data (on the same scale) which shows the monthly cost of living index of a city in a period of 2 years:
Cost of living Index | Number of months |
440 - 460 | 2 |
460 - 480 | 4 |
480 - 500 | 3 |
500 - 520 | 5 |
520 - 540 | 3 |
540 - 560 | 2 |
560 - 580 | 1 |
580 - 600 | 4 |
Total | 24 |
Draw the histogram for the following frequency distribution and hence estimate the mode for the distribution.
Class | Frequency |
0 - 5 | 2 |
5 - 10 | 7 |
10 - 15 | 18 |
15 - 20 | 10 |
20 - 25 | 8 |
25 - 30 | 5 |
Total | 24 |
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Use graph sheet for this question.
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