Solution 20410: Domain Error When Performing a Linear Regression in Stats With List Editor on the TI-89 Family.
Why do I receive a domain error when trying to calculate a linear regression using the Stats with List Editor on a TI-89 family graphing calculator?
The Exact/Approx mode setting is set to Exact. Please change this setting to either Auto or Approximate, and try again.
• Select [MODE]
• Press [F2] to select Page 2.
• Scroll to Exact/Approx and use arrow keys to select APPROXIMATE
• Press [ENTER] twice
Please see the TI-89 family guidebooks for additional information.