APFIVE The Pearson correlation coefficient $$$$r$$$$ has several key properties. Rank the following properties in the order in which they are inherent in the computation and interpretation of $$r$$, starting with the step most fundamental to its calculation:
- Computation using standardized scores.
- Being unit‐free.
- Invariance under variable interchange.
- Guaranteed to lie between $$-1$$ and $$+1$$.
Computed using standardized scores, Invariance under variable interchange, Unit‐free, Range between $$-1$$ and $$+1$$
Range between $$-1$$ and $$+1$$, Invariance under variable interchange, Computed using standardized scores, Unit‐free (although these are all valid properties, the sequence here does not reflect the logical progression of calculation and interpretation)
Computed using standardized scores, Unit‐free, Invariance under variable interchange, Range between $$-1$$ and $$+1$$
Unit‐free, Computed using standardized scores, Invariance under variable interchange, Range between $$-1$$ and $$+1$$
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