how wide is an area graph? what is the categorical range used in area charts what is a categorical data plot can categorical data be used for an area graph what is the categorical graph used for what is categorical scale why do you need a categorical graph? what is categorical data in a graph what interval to use to use categorical data is it possible to plot income on categorical scale why would you use the categorical scale what interval is the categorical range for income categorical income distribution is income a categorical chart what type of data can be used to plot income categorical data for income distribution does income data need categorical scale what is the categorical interval for income average income in categorical scale can you use categorical data in area chart