o determine whether there are differences in the amount of comp ey found the following: Mean 19 44.37 nt 11 43.18 14 42.21 45 41.80 y 36 37.56 47 32.21 the following ANOVA table:
o determine whether there are differences in the amount of comp ey found the following: Mean 19 44.37 nt 11 43.18 14 42.21 45 41.80 y 36 37.56 47 32.21 the following ANOVA table:
Chapter1: Financial Statements And Business Decisions
Section: Chapter Questions
Problem 1Q
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Question
Answer for this section please
![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
n
Mean
Marketing
19
44.37
Management
11
43.18
Other
14
42.21
Finance
45
41.80
Accountancy
36
37.56
MIS
47
32.21
(A) Complte the following ANOVA table:
Source of Variation
df
MS
F-ratio
F-crit
Between groups
3172
634.4
4.9567
2.2685
Within groups
21246
166
127.9880
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 >
2.2685, we reject
the null hypothesis. Hence we conclude that
there is difference in the mean
(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
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 :](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe138cb49-6be8-4e86-bff2-66ed1de958be%2F21f89a30-bc03-43c4-9fd4-a4d826fe0809%2Fsumvkvr_processed.png&w=3840&q=75)
Transcribed Image Text: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
n
Mean
Marketing
19
44.37
Management
11
43.18
Other
14
42.21
Finance
45
41.80
Accountancy
36
37.56
MIS
47
32.21
(A) Complte the following ANOVA table:
Source of Variation
df
MS
F-ratio
F-crit
Between groups
3172
634.4
4.9567
2.2685
Within groups
21246
166
127.9880
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 >
2.2685, we reject
the null hypothesis. Hence we conclude that
there is difference in the mean
(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
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 :
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