Add Statistics for Applications (#7766)

Co-authored-by: NEric Hellman <eric@hellman.net>

courses/free-courses-en.md

@@ -998,6 +998,7 @@
 * [PyTorch tutorials](https://pytorch.org/tutorials) - PyTorch.org
 * [Stanford SEE 229 - Machine Learning](https://see.stanford.edu/Course/CS229)
 * [Stanford University Machine Learning](https://www.coursera.org/learn/machine-learning)
+* [Statistics for Applications](https://ocw.mit.edu/courses/18-650-statistics-for-applications-fall-2016/) - MIT OpenCourseWare
 * [Understand Machine Learning Engineering by Building Projects](https://github.com/alexeygrigorev/mlbookcamp-code/tree/master/course-zoomcamp) - Alexey Grigorev