Correlations: First, correlations always range from negative 1 to positive 1.
The closer the relationship is to 1, the more in-alignment those variables are, so they
move together either in the same direction if it’s a positive correlation, or in opposite
directions if it’s a negative correlation.
So that’s kind of the fundamental piece of a correlation; there’s two key aspects: the number itself – which always ranges from plus 1 to minus 1 – and then the direction it’s headed, which is the sign, the plus or the negative.
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