About Lesson
Correlation and Regression
Overview: This section introduces correlation and regression analysis.
- Correlation:
- Measures the strength and direction of the relationship between two variables, ranging from -1 to 1.
- Positive Correlation: As one variable increases, the other also increases.
- Negative Correlation: As one variable increases, the other decreases.
- Regression Analysis:
- A statistical method for modeling the relationship between a dependent variable and one or more independent variables.
- Linear Regression: Models the relationship using a straight line.
- Real-Life Example:
- A school might analyze the correlation between study hours and exam scores to determine if more study time leads to better performance.
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