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12. Four research participants take a test of manual dexterity (high scores mean better dexterity)
and an anxiety test (high scores mean more anxiety). The scores are as follows.
© ……………..
(d)……………..

Person Dexterity Anxiety
1 1 10
2 1 8
3 2 4
4 4 -2

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    The Computer Anxiety Rating Scale (CARS) measures
    an individual’s level of computer anxiety, on a scale
    from 20 (no anxiety) to 100 (highest level of anxiety).
    Researchers at Miami University administered CARS to 172
    business students. One of the objectives of the study was to
    determine whether there are differences in the amount of
    computer anxiety experienced by students with different
    majors. They found the following:
    Source
    Degrees of
    Freedom
    Sum of
    Squares
    Mean
    Square
    (Variance) F
    Among
    groups
    c - 1 = ? SSA = ? MSA = 80 FSTAT = ?
    Within
    groups
    n - c = ? SSW = 560 MSW = ?
    Total n - 1 = ? SST = ?
    Source
    Degrees of
    Freedom
    Sum of

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