What are some free online resources for learning data analysis?

The video recommends several valuable free resources for learning data analysis. W3Schools is highlighted as an excellent free online learning platform offering tutorials on Python, Excel, statistics, and data analytics fundamentals with interactive exercises. Additionally, SimplyLearn's data analyst course in collaboration with IBM provides hands-on experience with modern tools and technologies through real-world projects. This comprehensive course covers Excel, SQL, Python, R, Tableau, and Microsoft Power BI certification training, preparing students for lucrative careers with potential salaries exceeding $100,000. The video also mentions online communities and a curated YouTube playlist of tutorials for building portfolio projects.