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



4