Before Calculating a Pearson Correlation Coefficient, It Is Advisable to Plot

question 53

Multiple Choice

Before calculating a Pearson correlation coefficient, it is advisable to plot the data because

• A) one must be sure that the underlying relationship between the two variables is linear.
• B) the diagram is more informative than the correlation coefficient regarding causality.
• C) one must make sure that the data are from a truncated range.
• D) the correlation coefficient cannot show the direction of the relationship.

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Definitions:

Context

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Sentence

A collection of words that forms a complete unit, usually comprising a subject and predicate, and expresses a statement, question, exclamation, or command.

Interpretation

The act of explaining or providing the meaning of something, often involving a personal perspective or analysis.

Phoneme

The smallest unit of sound that can make a difference in meaning within a specific language.