Correct Answer - Option 4 : line graph
Concept used:
A bar graph is a chart that plots data using rectangular bars
A pie chart is a type of graph that represents the data in the circular graph
A histogram is the representation of a frequency distribution by means of rectangles whose widths represent class intervals and whose areas are proportional to the corresponding frequencies
A line graph is a type of chart used to show information that changes over time. We plot the line graph using several points connected by straight lines
Solution:
From the above concept used, we came to know that,
A graph that displays data that changes continuously over periods of time is a line graph
