Bar graphs are a type of graphical representation that use rectangular bars to represent different categories or groups. They are commonly used to compare categorical data by showing the frequency or proportion of each category.
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Categorical Variables: Categorical variables are qualitative characteristics or attributes that divide data into groups or categories based on specific characteristics.
Histograms: Histograms are graphical representations that use bars to display continuous numerical data grouped into intervals (bins). They show the distribution and frequency of values within each interval.
Line Graphs: Line graphs are another type of graphical representation that use points connected by lines to display changes in numerical data over time. They show trends and patterns in data across different time periods.