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Question
Identify the following data can be represented in a histogram?
The number of students in each class of a school
Options
Yes
No
Solution
The number of students in each class of a school. - No
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The table below shows the yield of jowar per acre. Show the data by histogram.
| Yield per acre (quintal) | 2 - 3 | 4 - 5 | 6 - 7 | 8 - 9 | 10 - 11 |
| No. of farmers | 30 | 50 | 55 | 40 | 20 |
Find the correct answer from the alternatives given.
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No. of trees planted by each student |
1 - 3 | 4 - 6 | 7 - 9 | 10 - 12 |
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The above data is to be shown by a frequency polygon. The coordinates of the points to show number of students in the class 4-6 are . . . .
The age groups and the number of persons in the age groups, who donated blood in blood donation camp is given below. Find the measures of central angles to show the information by a pie diagram.
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| Number of schools: | 5 | 12 | 14 | 18 | 10 | 9 | 4 |
Below is the histogram depicting marks obtained by 43 students of a class:
(i) Write the number of students getting the highest marks.
(ii) What is the class size?
Construct a frequency polygon without using a histogram for the following frequency distribution :
| Class Interval | 1-10 | 11-20 | 21-30 | 31-40 | 41-50 |
| Frequency | 8 | 12 | 10 | 16 | 6 |
Draw the histogram for the following frequency distribution and hence estimate the mode for the distribution.
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| 5 - 10 | 7 |
| 10 - 15 | 18 |
| 15 - 20 | 10 |
| 20 - 25 | 8 |
| 25 - 30 | 5 |
| Total | 24 |
Draw a histogram for the following data.
| Class Interval | 0 − 10 | 10 − 20 | 20 − 30 | 30 − 40 | 40 − 50 | 50 − 60 |
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Draw a histogram and the frequency polygon in the same diagram to represent the following data
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In a histogram ______ are drawn with width equal to a class interval without leaving any gap in between.
