The first step to create a dot plot is to choose your data. You need a single variable that has numerical values, such as test scores, heights, or weights. You can use either raw data or summary ...

How to Make a Scatterplot on Excel. A scatterplot chart graphs two related data values as a single dot by plotting one value on the horizontal X axis and the other value on the vertical Y axis.

You would notice that the line graph and scatter plot chart curves are different. However, these charts are static. You could also consider creating Dynamic charts in Excel .

Microsoft Excel can generate trend lines based on data you provide, and in doing do, calculates the equation of the trend line. This equation can be accessed using Excel's built-in Visual Basic tools.