Question

Draw a histogram and hence estimate the mode for the following frequency distribution: 

Class	0-10	10-20	20-30	30-40	40-50	50-60
Freq	2	8	10	5	4	3

Answer 1

Draw a histogram

(1) In the highest rectanglr which represents modal class draw two lines AC aand BD intersecting at P. 

(2) From P, draw a perpendicular to x-axis meeting at Q 

(3) value of Q is the mode = 23