Q105Multiple choice
The following histogram shows the frequency distribution of teaching experiences of 30 teachers in various schools:
- (a)What is the class width?
- (b)How many teachers are having the maximum teaching experience and how many have the least teaching experience?
- (c)How many teachers have teaching experience of 10 to 20 years?
Show answer
(a) What is the class width?
(b) How many teachers are having the maximum teaching experience and how many have the least teaching experience?
(c) How many teachers have teaching experience of 10 to 20 years?