Page 74 - DCOM203_DMGT204_QUANTITATIVE_TECHNIQUES_I

Unit 4: Presentation of Data

Notes
65 
(i) x 360 = 234
100
10 
(ii) x 360 = 36
100
12 
(iii) x 360 = 43.2
100
5 
(iv) x 360 = 18
100
8 
(v) x 360 = 28.8
100

The angles of different sectors are calculated as shown below:
Pie Chart

Self Assessment

Multiple Choice Questions:
14. In order to show ............................. of various components, a circle can also be partitioned
into sections in a similar manner as in component bar diagrams.
(a) Ratios (b) Proportions
(c) Properties (d) Amount
15. Since there are ................................. at the centre of a circle, these are divided in proportions
to the magnitude of values of different items. The diagram, thus obtained is known as Pie
Diagram.

(a) 90º (b) 180º
(c) 270º (d) 360º
16. Angular Sector Diagram is more popularly known as ..............................
(a) Pie diagram (b) Bar diagram
(c) Histogram (d) Pyramid Diagram

LOVELY PROFESSIONAL UNIVERSITY 69