Mathematics [4 marks sum]

Draw an ogive for the following data:

Marks	0 - 10	10 - 20	20 - 30	30 - 40	40 - 50	50 - 60
No. of students	7	10	23	51	6	3

The following distribution table shows the I.Q. level of 270 candidates appearing for a competitive exam.

I.Q.	55 - 69	69 - 83	83 - 97	97 - 111	111 - 125
No. of candidates	20	50	75	75	50

Draw a histogram for this distribution.

The following histogram shows the ages of teachers in a school.
Read the histogram and answer the questions that follow:

(a) How many teachers are in the age group of 45 – 50 years?
(b) How many teachers are 40 years or above 40 years of age?
(c) How many teachers are below 35 years of age?
(d) Which age group has the maximum number of teachers?
(e) Which age group has the minimum number of teachers?

The given histogram depicts the daily wages of workers in a factory. Construct the frequency table.