Quasi as in "apparently but not really"...
These pages were not written by me. The links to their original websites are included first thing in the page. I'm saving them for the sake for preservation. In no way I claim ownership of their contents....
Likert scales: Four things you may not know - Achilleas Kostoulas
What to do with Neutral Responses in Employee Surveys | TalentMap
Interquartile Range (IQR): What it is and How to Find it - Statistics How To