What is Pearson's correlation?
Pearson's correlation is a statistical test used to determine if there is a linear correlation between two variables that are normally distributed.
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What does a correlation coefficient of 1 indicate?
A correlation coefficient of 1 indicates a perfect, positive linear correlation, where all points lie on a straight line.
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What does a positive correlation mean?
A positive correlation means that both variables increase or decrease together.
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What does a negative correlation mean?
A negative correlation means that one variable increases as the other variable decreases.
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What does a correlation coefficient close to 0 indicate?
A correlation coefficient close to 0 means that there is no clear relationship between the two variables.
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What does a correlation coefficient show?
A correlation coefficient shows the relationship between two datasets.
There may be no correlation, a positive correlation (as one value increases the other increases too), or a negative correlation (as one value increases the other decreases).
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