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Question
For class interval 20-25 write the lower class limit and the upper class limit.
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Solution
For class interval 20-25.
The lower class limit is 20 and the upper class limit is 25.
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Find the class-mark of the class 35 - 40.
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| 12 - 13 | `cancel(bb|bb|bb|bb|)` | `square` |
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The monthly maximum temperature of a city is given in degree celcius in the following data. By taking suitable classes, prepare the grouped frequency distribution table
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| 35 - 44 | ...... | 28 |
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| 55 - 64 | 16 | ...... |
| 65 - 74 | ...... | 73 |
| 75 - 84 | 12 | ...... |
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If a class size is 10 and range is 80 then the number of classes are ___________
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Size of the class 150 – 175 is ______.
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