In this lesson our instructor talks about correlation r vs. r-squared. First she discusses r-squared, parsing sum of squared (parsing variability), SST and SSE. She talks about r-squared, strong correlation, and weak correlation. Four complete example videos round up this lesson.
Lecture Slides are screen-captured images of important points in the lecture. Students can download and print out these lecture slide images to do practice problems as well as take notes while watching the lecture.
This book provides a clear and methodical approach to essential statistical procedures. It clearly explains the basic concepts and procedures of descriptive and inferential statistical analysis. This book features a new emphasis on expressions involving sums of squares and degrees of freedom as well as a stronger stress on the importance of variability.