The following frequency distribution table shows the distances travelled by some rickshaws in a day. Observe the table and answer the following question:

(a) which is the modal class? Why?
(b) which is the median class and why?
(c) write the cumulative frequency (c.f.) of the class preceding the median class.
(d) what is the class interval (h) to calculate median?

Answer

(a) 74.5 - 79.5; becaues the maximum frequency is 82. (b) `69.5 - 74,5; (N)/(2)` lies in this class ( c ) 44 (d) 5.