Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Worst textbook ever

This is by far the MOST CONFUSING textbook I have ever had. Note the fact I said "had" and not "used" because I cant even use this book because it is so confusing, and I don't know a single person taking the stat course that even refers to this book. Even my instructor agrees it is a very confusing book and does not even use it himself. The writer throws in all these relations and far too many greek symbols in my opinion, he needs to get down to the point and just give the concepts and the formula's. The stat book I used before was MUCH EASIER to understand than this one. Makes a great paperweight however.