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:
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:
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Transcribed Image Text:Pregunta 6
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:
Major
Mean
Marketing
Management 11
Other
Finance
Accountancy 36
MIS
44,37
43.18
42.21
19
14
45
41.80
37,56
47
32.21
(A) Complte the following ANOVA table:
Source of Variation s
df
MS
F-ratio
F-crit
Between groups
3172 5
634.4
4.9567
2.2685
Within groups
21246 166
127.988
Total
24418 171
(A) At the 0.05 level of significance, is there evidence of a difference in the mean computer anxiety experienced by different majors?
Answer: Since F-ratio is greater than 2.2685, we reject
the null hypothesis. Hence we conclude that
there is significant difference in the mean computer anxiety
(B) The results in (A) indicate that it is appropriate, use the Tukey-Kramer procedure to determine which majors differ in mean computer
anxiety. Complete the table. Use q = 3.86 for all your calculations. Colum 2 is the absolute value if the difference, column 3 is the critical range,
column 4 is the answer if there is significant or not.
Marketing vs Management
1.19
11.70
No
Marketing vs Other
2.16
10.88
No
Marketing vs Finance
2.57
8.44
No
Marketing vs Accountancy
6.81
8.76
No
Marketing vs MIS
12.16 8.39
Yes
Management vs Other
0.97
Management vs Finance
1.38
Management vs Accountancy 5.62
Management vs MIS
10.97
Other vs Finance
0.41
Other vs Accountancy
4.65
Other vs MIS
10.0
Finance vs Accountancy
4.24
6.90
No
Finance vs MIS
9.59
6.44
Accountancy vs MIS
5.35
6.84
No
The major(s) that differ in n mean computer anxiety :
I, I,
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