ubuntu mouse cursor jumping

The mouse cursor moves all on its own and disrupts web pages. My Dell Latitude 3120 has a touchscreen and touchpad (two pointers) but my xinput list shows 4 slave pointers so there may be a conflict. I do not have a mouse and I am not sure of which pointer is for the touchscreen.

mm@mm-dell-lpt:~$ xinput list

⎡ Virtual core pointer                    id=2 [master pointer  (3)]

⎜   ↳ Virtual core XTEST pointer              id=4 [slave  pointer  (2)]

⎜   ↳ DELL0A33:00 04F3:3082 Mouse             id=10 [slave  pointer  (2)]

⎜   ↳ DELL0A33:00 04F3:3082 Touchpad         id=11 [slave  pointer  (2)]

⎜   ↳ WDHT1F01:00 2575:0907                   id=12 [slave  pointer  (2)]

⎣ Virtual core keyboard     

I have read "Dell Precision and XPS Ubuntu Touchpad Fix: Solutions for Touchpad and Mouse Issues on Ubuntu" but this article references different devices and the solutions suggested do not function on my machine. 

Is their a simple way to block some of these pointing devices because there seems to be some conflicts?

Thank you, Larry