(a) The missing percEntages for
Motor 9444200 x 100 = 46.7%
202,320,00 1
Miscellaneous 20040000 x 100 = 9.9%
202,320,000 1
(b)(i)
(B) (ii) Disadvantages of percentage bar graph.
(i) The actual value of individual components cannot be denied from the graph.
(ii) There is difficulty in calculating the percentages of the component parts.
(iii) Wrong calculating of a component part will affect the other parts.
(iv) Comparison of the actual values of the components is difficult.
(v) Where extreme value is wide, some of the component parts cannot be drawn, e.g. 0.1%.
(C) The alternative methods are
(a) Pie chart or divided circle.
(b) Simple bar graph.
(c) Divided bar graph