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Question
Draw a histogram of the following data.
| Height of student (cm) | 135 - 140 | 140 - 145 | 145 - 150 | 150 - 155 |
| No. of students | 4 | 12 | 16 | 8 |
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Solution
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Draw the frequency polygon for the following frequency distribution
| Rainfall (in cm) | No. of Years |
| 20 — 25 | 2 |
| 25 — 30 | 5 |
| 30 — 35 | 8 |
| 35 — 40 | 12 |
| 40 — 45 | 10 |
| 45 — 50 | 7 |
The following is the frequency distribution of waiting time at ATM centre; draw histogram to represent the data:
| Waiting time (in seconds) |
Number of Customers |
| 0 -30 | 15 |
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| 60 - 90 | 64 |
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| 120 - 150 | 5 |
The shoppers who come to a departmental store are marked as: man (M), woman (W), boy (B) or girl (G). The following list gives the shoppers who came during the first hour in the morning
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Make a frequency distribution table using tally marks. Draw a bar graph to illustrate it.
Draw a histogram for the frequency table made for the data in Question 3 and answer the following questions.
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(2) How many workers earn Rs 850 and more?
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The histogram below represents the scores obtained by 25 students in a mathematics mental test. Use the data to:
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- To calculate mean.
- To determine the Modal class.
Draw histogram for the following frequency distributions:
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| Frequency | 24 | 16 | 09 | 15 | 20 |
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| No. of students | 7 | 33 | 45 | 65 | 47 | 18 | 5 |
The following histogram shows the number of literate females in the age group of 10 to 40 years in a town:
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The following frequency distribution table shows marks obtained by 180 students in Mathematics examination.
| Marks | No. of students |
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| 10 - 20 | x |
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| 40 - 50 | 65 |
Find the value of x. Also draw a histogram representing the above information.
Construct a frequency polygon without using a histogram for the following frequency distribution :
| Class Interval | 10-20 | 20-40 | 40-60 | 60-80 | 80-100 |
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Following table present educational level (middle stage) of females in Arunachal pradesh according to 1981 census:
| Age group | Number of females (to the nearest ten) |
| 10 - 14 | 300 |
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Draw a histogram for the following data.
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Draw a histogram and the frequency polygon in the same diagram to represent the following data
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Form a continuous frequency distribution table and draw histogram from the following data.
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| Under 10 | 12 |
| Under 15 | 19 |
| Under 20 | 26 |
| Under 25 | 27 |
| Under 30 | 35 |
| Under 35 | 38 |
| Under 40 | 45 |
| Under 45 | 48 |
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Represent the following data by histogram:
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| 20 – 22 | 8 |
| 22 – 24 | 22 |
| 24 – 26 | 12 |
| 26 – 28 | 6 |
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The top speeds of thirty different land animals have been organised into a frequency table. Draw a histogram for the given data.
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| 20 – 30 | 5 |
| 30 – 40 | 10 |
| 40 – 50 | 8 |
| 50 – 60 | 0 |
| 60 – 70 | 2 |
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The table given below shows the runs scored by a cricket team during the overs of a match.
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| 30 – 40 | 45 |
| 40 – 50 | 40 |
| 50 – 60 | 60 |
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| 70 – 80 | 35 |
Use graph sheet for this question.
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