Ans:
a)
Observed(fo)
Major
<50k
59k-68.9k
69k+
Row Total
English
5
20
30
Engineering
10
60
XXX
Nursing
XX
15
40
Business
Psychology
XXXXXX Total
115
300
XXXXXXXX(fe)
XXXXX
XXXXXXX
X.5
11.X
13
XXXXXXXXXXX
XX.XX
XX.33
43.33
100
X.3
XX.X
XX.0
23.X
XXXXXXXXXX
26.X
30.3
Column Total
130
XXX square=(fo-fe)^X/fe
<XXX
59k-XX.9k
Row XXXXX
X.XXX
6.283
4.923
XX.XXX
X.788
X.410
12.XXX
0.970
0.XXX
X.314
1.291
XXXXXXXX
X.091
4.002
3.520
Column XXXXX
8.XXX
33.546
b)
XX=(X-X)*(X-1)=8
critical XXX XXXXXX value=XXXXXX(0.XX,X)=15.XXX
c)
H0: XXXXXXX major and XXXXXXXX XXXXXX are XXXXXXXXXXX.
Ha:XXXXXXX XXXXX and starting XXXXXX XXX XXX independent.
d)
XXXX XXXXXXXXX:
Chi XXXXXX=XX.546
As,test XXXXXXXXX is XXXXXXX XXXX XXXXXXXX value,XX reject the XXXX XXXXXXXXXX.
e)There XX sufficient XXXXXXXX XX conclude XXXX College XXXXX XXX starting salary are not independent.