Ans:
a)
Observed(fo)
Major
<50k
59k-68.9k
69k+
Row Total
English
5
20
30
Engineering
10
60
100
Nursing
XX
Business
XXXXXXXXXX
70
Column Total
115
130
300
XXXXXXXX(fe)
XXXXX
&XX;XXX
59k-68.XX
XXX+
5.5
XX.X
13
18.33
38.33
43.33
XXX
7.3
15.X
17.X
40
11.X
XX.0
12.X
26.X
30.X
XXXXXX Total
Chi square=(fo-XX)^2/XX
59k-XX.XX
Row XXXXX
XXXXXXX
X.045
6.XXX
4.923
11.XXX
XXXXXXXXXXX
3.XXX
X.XXX
6.410
XX.XXX
0.314
XXXXXXXX
X.391
X.098
0.XXX
X.896
XXXXXX XXXXX
8.XXX
33.XXX
b)
df=(5-X)*(3-X)=8
XXXXXXXX chi XXXXXX value=CHIINV(0.05,8)=XX.507
c)
XX: College XXXXX and starting XXXXXX XXX XXXXXXXXXXX.
Ha:College XXXXX and starting salary are XXX XXXXXXXXXXX.
d)
Test XXXXXXXXX:
Chi square=XX.XXX
As,XXXX statistic XX greater than XXXXXXXX XXXXX,we XXXXXX XXX XXXX hypothesis.
e)There is XXXXXXXXXX XXXXXXXX to conclude that XXXXXXX major and XXXXXXXX salary XXX XXX XXXXXXXXXXX.