Reasons for Emergency Room Visits in 2003

This is a bar graph displaying reasons of why people visited the emergency room in 2003. From the graph, each bar represents a category of reason why people visited the emergency room and the height represents the number of people visited the emergency room in 2003. It is a good way to compare the categorical variable with its height.



Distance from College to Home

Above is an example of a pie chart. It provides information by having the percentages of whether students are in-state, out-of-state, or international, but doesn't provide info. regarding which student is under which category. However, the pie chart is a great way to visualize and represent data with only a few categorical variables.

Percentage Took SAT in 2010

This is a histogram representing a graph of a frequency distribution and shows quantitative variables. It provides data regarding the percentage of students that took the SAT in 2010 in the 50 states. For the x-axis, it shows the percent range and the y-axis shows the number of states and frequency within that range. However, it doesn't specify which state is under which percent range.



Points Scored by Winner in Super Bowl

Above is another example of histogram. It's a data of points scored by winner in the Super Bowl. It shows the points range for the x-axis and number of winner scored within that certain range for the y-axis. Unfortunately, it doesn't specify which winner scored under which points range.



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