Use a scatter chart (XY chart) to show scientific XY data. Scatter charts are often used to find out if there's a relationship between variable X and Y.
Straight Lines
To create a scatter chart, execute the following steps.
1. Select the range A1:D22.
2. On the Insert tab, in the Charts group, click the Scatter symbol.
3. Click Scatter with Straight Lines.
Note: also see the subtype Scatter with Smooth Lines.
Result:
Note: we added a horizontal and vertical axis title. The horizontal axis of a scatter chart is a value axis, so you have more axis scaling options (the same as a vertical axis which always is a value axis).
Only Markers
To find out if there is a relationship between X (a person's salary) and Y (his/her car price), execute the following steps.
1. Select the range A1:B10.
2. On the Insert tab, in the Charts group, click the Scatter symbol.
3. Click Scatter.
Result:
Note: we added a trendline to clearly see the relationship between these two variables..