Charts and graphs are an excellent way to represent data, in this lessons we will know some common types of charts and graphs.
A bar chart or (bar graph) is a chart that represents data using bars of different heights.
Pie charts are very good charts to represent data, particularly when we need to compare more than one value.
A tally chart is an efficient way to collect and represent data quickly, tally charts are very simple to use.
A line graph is a good way to represent values of something over time.