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Question
The height of a rectangle in a histogram shows the ______.
Options
Width of the class
Upper limit of the class
Lower limit of the class
Frequency of the class
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Solution
The height of a rectangle in a histogram shows the frequency of the class.
Explanation:
The height of a rectangle in a histogram shows the number of time the particular observation occurred in the data that is frequency.
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Find the lower quartile, the upper quartile, the interquartile range and the semi-interquartile range for the following frequency distributions:
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In a village, there are 570 people who have cell phones. An NGO survey their cell phone usage. Based on this survey a histogram is drawn
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Draw a histogram for the following data.
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| No. of students | 5 | 15 | 23 | 20 | 10 | 7 |
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(ii) Draw a histogram and a frequency polygon.
| 52 | 33 | 56 | 52 | 44 | 59 | 47 | 61 | 49 | 61 |
| 47 | 52 | 67 | 39 | 89 | 57 | 64 | 58 | 63 | 65 |
| 32 | 64 | 50 | 54 | 42 | 48 | 22 | 37 | 59 | 63 |
| 36 | 35 | 48 | 48 | 55 | 62 | 74 | 43 | 41 | 51 |
| 08 | 71 | 30 | 18 | 43 | 28 | 20 | 40 | 58 | 49 |
The following pictorial representation of data is a histogram.
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- How many students have height more than or equal to 135 cm but less than 150 cm?
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| 20 - 40 | 25 |
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| 80 - 100 | 15 |
