Chapter 8 (3-4), 9. More about Correlation. Today’s Lecture. SD Line Calculating r correlation vs causation. The SD Line. the line the points cluster around passes through the point of averages: (AVGx , AVG Y ) Has slope : . Calculating r (call variables “X” and “Y”).
More about Correlation
Correlation between height and weight remains the same whether height is measured in inches, cm., feet, etc.
Strong association between: