Question

Question 2
A graph that displays data that changes continuously over periods of time is
(a) bar graph
(b) pie chart
(c) histogram
(d) line graph

Answer 1

The line graph is an important way to represent and compare the data which varies continuously.
A line graph displays the relation between two varying quantities.
In a line graph, we connect all the points by a line segment while in bar graph and histogram, we use rectangles of uniform width.