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Dive deep into drawing scatter diagrams, identifying trends, and measuring the strength of linear relationships between two variables in this comprehensive guide. Learn to estimate and compute correlations for insightful data analysis.
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2. Bivariate Data
3. Scatter Diagrams
4. Example 1: Drawing a Scatter Diagram
6. Relationships Between Two Variables
7. Example 2: Identifying the Trend
8. Positive Linear Relationships
9. Negative Linear Relationships
10. Measuring the Strength of the Linear Relationship
11. Properties of the Linear Correlation Coefficient
14. Example 3: Estimating Correlation from a Scatter Plot
15. Example 4: Anticipating Correlation
16. Calculating the Correlation Coefficient
17. Example 5: Computing a Correlation
20. Example 6: Weight vs. Mileage Rating
23. Example 7: Brain Size and Intelligence