The water bills (in rupees) of 32 houses in a locality are given below. Construct a frequency distribution table with a class size of 10.
80, 48, 52, 78, 103, 85, 37, 94, 72, 73, 66, 52, 92, 85, 78, 81, 64, 60, 75, 78, 108, 63, 71, 54, 59, 75, 100, 103, 35, 89, 95, 73.
Solution:
A frequency distribution with a class size of 10 is follows:
The maximum temperatures (in degree Celsius) for Delhi for the month of April, 2014, as reported by the Meteorological Department, are given below:
27.4, 28.3, 23.9, 23.6, 25.4, 27.5, 28.1, 28.4, 30.5, 29.7, 30.6, 31.7, 32.2, 32.6, 33.4, 35.7, 36.1, 37.2, 38.4, 40.1, 40.2, 40.5, 41.1, 42.0, 42.1, 42.3, 42.4, 42.9, 43.1, 43.2.
Construct a frequency distribution table.
Solution:
The frequency distribution table of the given data is as follows:
| Class | Tally marks | Frequency |
| 23.5-27.5 | IIII | 4 |
| 27.5-31.5 | 7 | |
| 31.5-35.5 | IIII | 4 |
| 35.5-39.5 | IIII | 4 |
| 39.5-43.5 | 11 |
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