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    correlation coefficient

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    Suppose you find a restriction in your study of IQ scores and school achievement at a selective private school. Restricting the range is likely to do what to the correlation coefficient?
    a. Increase the size
    b. Underestimate the strength
    c. Have no effect
    d. Change the sign

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    https://brainmass.com/statistics/correlation/correlation-coefficient-ranges-30657

    Solution Preview

    Hi,

    This website may help:
    http://www.utah.edu/stat/introstats/web-text/Correlation/#Restricted-Range

    It's confusing at first because it gives you two scenarios - one when there is a ...

    Solution Summary

    The correlation coefficient is given. The underestimate of strengths are given.

    $2.19

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