If you have access to 'Microsoft Excel' install the 'analysis tool pack' add-in. It gives the possibility to do use an 'regression 'option on your dataset with residual plot as option. As a bonus there is plenty of documentation available in the help system and on Internet.
If you have access to 'Microsoft Excel' install the 'analysis tool pack' add-in. It gives the possibility to do use an 'regression 'option on your dataset with residual plot as option. As a bonus there is plenty of documentation available in the help system and on Internet.