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AP Statistics/Unit 2: Exploring Two-Variable Data
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Properties of Pearson Correlation Coefficient

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The Pearson correlation coefficient, rr, has several key properties that arise from its calculation. Which of the following lists these properties in a logical sequence, from the most fundamental aspect of its computation to its resulting characteristics?

A

Computed using standardized scores, Unit‐free, Invariance under variable interchange, Range between −1-1 and +1+1

B

Range between −1-1 and +1+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)

C

Computed using standardized scores, Invariance under variable interchange, Unit‐free, Range between −1-1 and +1+1

D

Unit‐free, Computed using standardized scores, Invariance under variable interchange, Range between −1-1 and +1+1

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