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

These lectures introduce scatter plots and discuss Pearson's r correlation.

This is page thirteen of the series of free video lessons, "Statistics Lectures".

Scatter Plots are a method of graphically displaying bivariate data.

Pearson's r measure the strength of the linear relationship between two variables.

Pearson's r is always between -1 and 1.

1. Define Null and Alternative Hypotheses.

2. State Alpha.

3. Calculate Degrees of Freedom.br> 4. State Decision Rule.

5. Calculate Test Statistic

6. State Results.

7. State Conclusion.

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