Double bar graphs represents _____ data set(s).
Question 9 In a bar graph each bar (rectangle) represents only one numerical data.
(a) Pictograph (b) Histogram (c) Pie chart (d) Double bar graph
Question 25
A graph showing two sets of data simultaneously is known as:
(a) Pictograph
(b) Histogram
(c) Pie chart
(d) Double bar graph