Question -
Answer -
(i) By observing bargraph,
175 books were sold inthe year 1989.
475 books were sold inthe year 1990.
225 books were sold inthe year 1992.
(ii) By observing bargraph,
475 books were sold inthe year 1990.
225 books were sold inthe year 1992.
(iii) By observing bargraph,
In the years 1989 and1992, the number of books sold were less than 250.
(iv) By observing thebar graph, we can conclude that,
The number of bookssold in the year 1989 is about 1 and ¾th part of 1 cm.
WKT, Scale is taken as1 cm = 100 books
= 100 + (¾ × 100)
= 100 + (3 × 25)
= 100 + 75
= 175