Hotels use statistical information and control charts to track their performance on a variety of indicators. Recently a hotel manager has been .asked whether his Learn is capable of maintaining scores between 8 and 10 (on a scale of 1 to 10) for "overall cleanliness of room." The most recent data have a mean of 8.624, a standard deviation of 1.446, and n - 10. Calculate and interpret Cp and Cpk.

It depends on the subject for me. some exams are easier than others so i usually go through it and answer questions i know based on my general knowledge, then double check after. going through the lesson can a lot  because the exams can be  very lesson-specific, but sometimes they are ridiculously long so a lot of people don't take the time. i did find that, when i went through the lessons, i was making 100's on my exams vs strictly using + the internet and  i make 90's. 

Uh whats the