Chapter 9 Data Handling Ex 9.3

Question 1.
The bar graph given below shows the amount of wheat purchased by government during the year 1998-2002.
Read the bar graph and write down your Observations. In Which year was
(a) the wheat production maximum?
(b) the wheat production minimum?

Solution:
(a) In the year of 2002, the wheat production was maximum.
(b) In the year of 1998, the wheat production was minimum.

Question 2.
Observe this bar graph which is showing the sale of shirts in a ready-made shop from Monday to Saturday.

(a) What information does the above bar graph give?
(b) What is the scale chosen on the horizontal line representing number of shirts?
(c) On which day were the maximum number of shirts sold? How many shirts were sold on that day?
(d) On which day were the minimum number of shirts sold?
(e) How many shirts were sold on Thursday?
Solution:
(a) The given bar graph shows the sale of shirts in a ready-made shop from Monday to Saturday.
(b) 1 unit length = 5 shirts, the scale chosen on the horizontal line.
(c) On Saturday maximum number of shirts were sold. 60 shirts were sold on that day.
(d) On Tuesday the minimum number of shirts were sold.
(e) 35 shirts were sold on Thursday.

Question 3.
Observe this bar graph which shows the marks obtained by Aziz in half-yearly examination in different subjects.