The sites listed below provide instruction in a variety of topics in biology.
Khan Academy Lectures
MIT Open Courseware
Statistical Analysis and Graphing
Create A graph website
Instructions for using Create A Graph
Creating graphs using Excel
Descriptive Statistics (Excel)
Binomial Test (Excel)
The software listed below can be downloaded for free.
LibreOffice - contains word processor, spreadsheet, presentation, and database software. LibreOffice also enables you to read and save Microsoft Office files (Word, Excel, PowerPoint).
VLC Media Player plays most media files.