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    Statistics Possibilities

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    For each of the following summaries, first indicate what the usual interpretation would be, then indicate whether there are any other possibilities.

    a. r = 1.
    b. r = 0.85.
    c. r = 0.
    d. r= -0.15.
    e. r = -1.

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    Solution Preview

    First, the correlation coefficient, denoted by r, is a measure of the strength of the straight-line or linear relationship between two variables.

    Then for the question,
    a. r = 1. +1 indicates a perfect positive linear relationship: as one ...

    Solution Summary

    This solution shows how to interpret various statistics summaries and indicates whether or not they could be interpreted in another way.