What are column charts best used for? Showing changes in data over time. Comparing the size of each category with one another. Comparing parts of the total data. Plotting individual points of data.

Column charts are best used for:

1. Comparing the size of each category with one another: Column charts are excellent for comparing one category of data to another. If you have multiple categories of data that you would like to compare, a column chart is a good choice.

2. Showing changes in data over time: Column charts can also be used to show changes in data over time. By placing time on the horizontal axis and the variable you are measuring on the vertical axis, you can easily see trends over time.

3. Comparing parts of the total data: If your data can be broken down into parts of a whole, a column chart can be used to compare these parts. This is often used in business to compare the proportion of sales that comes from different products.

4. Plotting individual points of data: While this is not the most common use of column charts, they can be used to plot individual points of data. This can be useful if you have a small number of data points and you want to clearly see the value of each one.