... score¹

Multi-modal distributions have multiple scores which occur most frequently; meaning multiple scores occur the same (most frequent)
number of times.

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... or²

Recall, the capital letter we chose to represent a variable is
arbitrary, X and Y are commonly used examples.

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... dispersion³

The American Psychological Association (APA) Publication
Manual requires that mean and standard deviation be reported
whenever one is referring to a group of scores.

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... variables⁴

There will be a great deal more discussion of correlation later
in the course.

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