Scatter diagrams
Correlation, regression and applied statistics · Mathematics
Study notes
Q: Heights (cm) and weights (kg) of 5 people: (160,55), (170,68), (165,60), (175,75), (180,80). Describe the scatter. Plotting: points rise left to right - taller people weigh more. Positive association, fairly tight (strong). One point far off would be an outlier - check it!