The LearningExpress Library is a good resource for reviewing statistical methods.
The books below are only a few of the ones you can find in the print collection at Stafford Library. To find other titles, search the catalog on the Find Books page of this guide.
The essays below are from Mathematics: Statistical Methodologies.
Click on the title link of each book below to access it.
Additional such books may be found in the databases provided in the Find E-Books page of this guide.
Below are some search results by searching in Excel.
Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom.
University and school websites on statistical concepts can be helpful for a refresher. Google "Statistics Review site:edu" for such sites. Below are some sample sites.