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Answers
Answer:
Both the Bar and the Column charts display data using rectangular bars where the length of the bar is proportional to the data value. Both are used to compare two or more values. However, their difference lies in their orientation. A Bar chart is oriented horizontally whereas the Column chart is oriented vertically.
Explanation:
1-Bar charts are good for displaying long data labels:
Column charts have limited space in the category axis. So, when your data labels are long, the category axis may look cluttered.
2-The Column chart is a good fit for a maximum of 10-12 data sets. However, when the number of data sets is larger than that, using a Column chart is not the best way forward.
3-In a Bar chart negative values are displayed as bars on the left.
Bar chart with negative values
However, we associate negative values more with downward direction (as used by the Column chart) than leftward.
4-
Therefore, use the Column chart when you have negative values in your data set.
To sum up, while the Column chart can be used to facilitate all comparison-based analysis, it is better to use the Bar chart when your data labels are long or you have too many data sets to display.
