# Statistics Lectures - 13: Scatter Plots & Pearson's r Correlation

A series of free Statistics Lectures with lessons, examples & solutions in videos.

This is the thirteenth page of the series of free video lessons, “Statistics Lectures”. These lectures introduce scatter plots and discuss Pearson’s r correlation.

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### Statistics - Lecture 36: Scatter Plots

Scatter Plots are a method of graphically displaying bivariate data.

### Statistics - Lecture 37: Pearson’s r Correlation

Pearson’s r measure the strength of the linear relationship between two variables.
Pearson’s r is always between -1 and 1.

### Statistics - Lecture 38: Hypothesis Testing

Hypothesis Testing with Pearson’s r:

1. Define Null and Alternative Hypotheses.
2. State Alpha.
3. Calculate Degrees of Freedom.br> 4. State Decision Rule.
4. Calculate Test Statistic
5. State Results.
6. State Conclusion.

### Statistics Lecture Series - Table Of Contents

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