Explore BrainMass

Explore BrainMass

    Correlation b/w hours spent studying and points earned

    This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!

    Select the most likely answer for the coefficient of linear correlation for the following two variables: x = the number of hours spent studying for a test, and y = the number of points earned on the test.

    A. r = 1.20

    B. r = 0.70

    C. r = -0.85

    D. r = 0.05

    © BrainMass Inc. brainmass.com June 4, 2020, 1:24 am ad1c9bdddf
    https://brainmass.com/statistics/correlation/correlation-b-w-hours-spent-studying-and-points-earned-398423

    Solution Preview

    Answer:

    B. r= 0.70

    r cannot be larger than 1 so choice A (i.e., r = 1.20) is eliminated.
    Also you would ...

    Solution Summary

    The most likely answer is explained with comments on why the other answers are unlikely.

    $2.19

    ADVERTISEMENT