Scatter charts are very effective at explaining the relationship or correlation between items against two variables. Optionally, a third variable can be used to drive the size of the data points and thereby convert the visual to a bubble chart.
In the following example, three countries from the Sales Territory Country column are used as the details input to a scatter chart:
To provide additional detail, three product subcategories are included in the legend input, such that nine total points (3 X 3) are plotted on the chart. The scatter chart naturally calls out the differences among the items based on their