There are several types of graphs in statistics, which can be categorized based on the type of data they display. The most common types of graphs are bar graphs, line graphs, and scatter plots.
Bar graphs are used to display categorical data, or data that can be divided into groups. They are typically used to compare the frequency of different categories. For example, a bar graph could be used to compare the number of boys and girls in a classroom.
Line graphs are used to display continuous data, or data that can be divided into smaller subgroups. Line graphs are often used to track changes over time, such as the number of new cases of a disease each week.
Scatter plots are used to display relationships between two variables. Scatter plots are used to find patterns in data, such as whether there is a correlation between two variables.