Sub Type - the following table summarizes the different subtypes of the range chart:
Point - displays a scatter point chart on three variables (A, B and C Value).
Bubble - displays a scatter bubble chart on four variables (A, B, C and Size).
Shape - controls the shape of the points / bubbles
Size - controls the size of the points markers. Visible only when Sub Type is set to Shape.
Min Bubble Size - controls the minimum size of the bubbles. Visible only when Sub Type is set to Bubble.
Max Bubble Size - controls the maximum size of the bubbles. Visible only when Sub Type is set to Bubble.