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

To determine the relationship between manual dexterity and anxiety scores for the research participants, we can examine the given data. Each person is assigned a number, and their manual dexterity and anxiety scores are provided.

Person 1 has a manual dexterity score of 1 and an anxiety score of 10.
Person 2 has a manual dexterity score of 1 and an anxiety score of 8.
Person 3 has a manual dexterity score of 2 and an anxiety score of 4.
Person 4 has a manual dexterity score of 4 and an anxiety score of -2.

To evaluate the relationship between manual dexterity and anxiety, we can plot the data points on a scatter plot. The x-axis represents manual dexterity, and the y-axis represents anxiety. Each point on the plot represents a research participant's scores for both variables.

By visually inspecting the scatter plot, we can determine if there is any relationship or pattern between the two variables.