Page 199 - Maths Skills - 8

Data Handling 197

3. According to the given double bar graph, answer the following questions.
(i) How many mango ice creams were sold by shop A?

(ii) Which flavour of ice cream do people like the most in shop A?
(iii) Find the total number of
chocolate ice creams sold by
shop A and shop B.

(iv) Find the total number of
coconut ice creams sold by
shop A and shop B?

(v) Which flavour of ice cream
do people like the most in
shop B—Chocolate or vanilla?

(vi) Find the total number of ice
creams sold by shop B.
4. Use the table below to construct a double bar graph and then answer the questions given below the table.

(i) Which student made the most improvement? Students Abhishek Monika Amit Anisha
(ii) Whose marks didn’t show any improvement? Practice Test 60 75 55 80

(iii) Who performed better in the practice test Main Test 59 93 55 95
than the main test?

5. Draw a histogram to represent the following data.

Marks Obtained No. of Students
10 – 20 10
20 – 30 15
30 – 40 25
40 – 50 5
50 – 60 20

6. The histogram given below shows the price and number of magazines
sold in a book store.
Answer the following questions:
(i) What is the class size?

(ii) What is the total number of magazines sold?
(iii) In which price group, the largest number of magazines are sold?
(iv) How many magazines are sold between the price-group of:
(a) 10 – 40 (b) 40 – 50
(c) 20 – 40 (d) 10 – 50

PIE CHART OR CIRCLE GRAPH
A Pie Chart or a circle graph is a circular diagram in which the observations are represented by non-intersecting
sections of a circle. The size of each sector corresponds to the magnitude or the frequency of each observation and
the whole circle represents the total sum of the observations.