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Question
If a class size is 10 and range is 80 then the number of classes are ___________
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Solution
If a class size is 10 and range is 80 then the number of classes are 8
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RELATED QUESTIONS
For class interval 20-25 write the lower class limit and the upper class limit.
If the classes are 0-10, 10-20, 20-30... then in which class should the observation 10 be included?
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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| Below 4 | 0 |
| Below 7 | 85 |
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| Below 16 | 300 |
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| Weights (in kg.) |
Tally Marks | Frequency (Number of persons) |
| 40 – 50 | `\cancel(bb|bb|bb|bb|) \cancel(bb|bb|bb|bb|) bb|bb|` | |
| 50 – 60 | `\cancel(bb|bb|bb|bb|) \cancel(bb|bb|bb|bb|) bb|bb|bb|bb|` | |
| 60 – 70 | `\cancel(bb|bb|bb|bb|) bb|` | |
| 70 – 80 | `bb|bb|` | |
| 80 – 90 | `bb|` |
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