statistics
posted by Elizabeth on .
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