Information regarding the starting salaries (in $1,000) of samples of students in four different majors is given below.
Majors
Management
Marketing
Finance
Accounting
12
10
9
14
26
31
22
25
7
15
a. 26
b.
Source of Variation
SS
df
MS
F
408
3
136
13.6
410
41
818
44
c. 2.84 (approximated at 40 denominator degrees of freedom)
d. Since 13.6 > 2.84, reject Ho and conclude there is a significant difference among the means of the three populations.
e. P- value <.01, therefore reject Ho (actual p-value using Excel is almost zero).
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