The weekly pocket expenses (in rupees) of 30 students of a class are given below:
62, 80, 110, 75, 84, 73, 60, 62, 100, 87, 78, 94, 117, 86, 65, 68, 90, 80, 118, 72, 95, 72, 103, 96, 64, 94, 87, 85, 105, 115.
Construct a frequency table with class intervals 60-70 (where 70 is not included), 70-80, 80-90, etc.
The frequency distribution table is given as:
Expenses | Tally Marks | Number of Students (Frequency) |
60 – 70 | 6 | |
70 – 80 | 5 | |
80 - 90 | 7 | |
90 - 100 | 5 | |
100 - 110 | III | 3 |
110 - 120 | IIII | 4 |
Total | 30 |