Q. 1055.0( 1 Vote )

# 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?

Answer :

(a) Answer: From the above histogram, we can say that the 5.

(b) From the diagram, 16 teachers have the maximum teaching experience i.e. of 15 years.

And, 2 teachers have the least experience (< 5 years)

(c) Form the chart,

16 teachers have the experience between 10 years to 20 years.

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