What is a bar chart in statistics?

A bar chart is a representation of numerical data in pictorial form of rectangles (or bars) having uniform width and varying heights." They are also known as bar graphs. Bar charts are one of the means of data handling in statistics. The bar charts have three major characteristics such as:

What is a vertical bar chart?

A bar chart is a chart that represents categorized data which is presented using rectangular bars whose lengths or heights are proportional to the values they are representing. Bar charts can be depicted either vertically or horizontally. A vertical bar chart is sometimes also referred to as a column chart.

What axis should a bar chart have?

Bar charts typically have a baseline of zero. If another starting point is used, the axis should be clearly labeled to avoid misleading the Viewer. Many other variations of bar charts exist. Stacked bar charts, side-by-side bar charts, clustered bar charts, and diverging bar charts are representative examples.

What color is a bar chart?

Bar charts can be colored coded where if the close is above the open it may be colored black or green, and if the close is below the open the bar may be colored red. A bar chart is a collection of price bars, with each bar showing price movements for a given period.