Reviewed by Samantha Silberstein What Is the Expansion Bar Signal? An expansion bar is a bar on a price chart that represents a wider price range compared to the bars for price movements of previous ...

Bar charts Learn how to read and interpret bar charts. How to find the mean, median, mode and range Find out how to work out mode, median, mean and range of a set of data.

A bar chart is best for comparing groups of data ... Each segment of the chart represents a different age range, showing what percentage of the population is in each age group.