A grade of I (incomplete) may be requested if (i) a course requirement has not been completed for reasons acceptable to the instructor, and (ii) the rest of the academic work is passing.
The decision about whether to approve the request is entirely up to the instructor, but the Statistics Department has established guidelines for submitting and evaluating requests. These guidelines conform with the University's policies and procedures, which are described here
(short version) and here
If you are considering requesting an incomplete, please download the instructions and form. Read the instructions carefully, and, if you feel you have a legitimate request, fill out the form and submit it to the Statistics office before 4 p.m. on Friday of Week 10.