How are income and degree related? The American National Election Survey asked respondents who reported at least 13 years of education to identify the highest degree completed (DEGREE: 0=No Degree earned, 1=Bachelor's degree, 2=Master's degree, 3=Ph.D., etc.,4=LLB, 5=MD,DDS, etc., 6=JDC,STD,THD, 7=Associate's degree. Is there enough statistical evidence to conclude that there are differences in income (INCOME) between people with different completed degrees? Use a 5% significance level.

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ID	DEGREE	INCOME	EDUC
1	0	127500	13
2		16000	12
3	1	32500	16
4		23500	12
5	1	82500	16
6	0	6250	14
7	1	23500	16
8	7	82500	14
9	0	37500	14
10	7	82500	16
11	0		15
12		82500	12
13		18500	12
14	0	47500	15
15	7	11750	15
16	2	82500	17
17		8750	12
18	7	37500	15
19	1	55000	16
20	1	82500	16
21	1	27500	16
22		21000	12
23	7	27500	14
24		8750	6
25	0	37500	14
26		37500	12
27	0	67500	15
28		95000	12
29		82500	12
30	7	105000	15
31		16000	12
32	1	55000	16
33	0	11750	14
34	7	8750	14
35	1	32500	16
36	7	32500	14
37	2	55000	17
38	7	18500	14
39	0	27500	14
40	7	67500	14
41	0	32500	15
42	7	16000	17
43	0		13
44	1	32500	16
45	1	95000	16
46	1	1500	16
47	7	37500	14
48	2	42500	17
49		55000	12
50	2	105000	17
51	0	18500	13
52	0	23500	14
53		11750	12
54	0	21000	13
55		55000	12
56	0		14
57	0	16000	14
58	1	42500	16
59	0	55000	13
60	7	27500	14
61	7	175000	14
62	1	23500	17
63	1	6250	17
64		32500	12
65	1	127500	17
66	1	67500	17
67	3	175000	17
68	1	55000	16
69	7	82500	14
70	0	1500	14
71	7	10500	14
72		13750	12
73	3	55000	17
74	1	67500	17
75	2	11750	17
76	1	23500	17
77	1	27500	16
78	0	23500	14
79	0	42500	17
80		13750	10
81			12
82	1	95000	16
83		6250	12
84		1500	12
85	1	67500	16
86	0	23500	14
87	0	18500	15
88	1	67500	16
89	0	23500	13
90	1	37500	15
91		27500	12
92	7	27500	14
93	7	4000	14
94	0	6250	13
95	0	21000	14
96	0	32500	13
97	0	10500	16
98	1	8750	17
99			12
100		8750	12
101		21000	12
102	0	16000	13
103		10500	16
104	0	8750	14
105	0	6250	14
106		11750	12
107		82500	12
108	1	42500	16
109	1	37500	16
110		8750	12
111		1500	12
112		18500	11
113	1	55000	16
114	0	55000	13
115	0		13
116	0	42500	15
117		21000	12
118		42500	11
119	2	55000	17
120		18500	12
121	0		14
122	7	67500	14
123		1500	12
124		27500	12
125		6250	12
126		21000	12
127		1500	11
128	2	67500	17
129	7	18500	15
130	0	16000	14
131	0	27500	13
132		4000	12
133	0	8750	14
134	0	21000	17
135	0	67500	14
136	1	105000	16
137		23500	11
138	0	13750	13
139		16000	10
140		13750	12
141		13750	12
142		95000	12
143	1	82500	16
144	1		17
145	0	95000	14
146		18500	12
147	0	67500	14
148	0	23500	14
149	1	175000	16
150	0	142500	15
151	2	127500	17
152	0	11750	13
153	7		14
154	0	67500	13
155	1	6250	16
156	1	42500	16
157	0	27500	13
158		32500	12
159	1	127500	16
160	0	6250	14
161		11750	10
162	1	105000	16
163	0		15
164	0	8750	14
165		27500	6
166		175000	12
167		18500	4
168		27500	6
169		37500	11
170	0	21000	15
171	1	47500	16
172	2	175000	17
173	1	127500	17
174	1		16
175	1	47500	16
176	1		17
177	2	11750	17
178		13750	12
179	1		16
180		10500	10
181		11750	11
182	0	1500	14
183	0	11750	14
184		175000	9
185	1	1500	16
186	1	8750	16
187	0	82500	13
188		32500	12
189	1	55000	16
190	1	32500	17
191	7	27500	14
192	0	175000	13
193	5	115000	17
194	1	42500	17
195	1	142500	17
196		47500	12
197	7	6250	14
198		16000	12
199	0	105000	15
200		16000	12
201	1	82500	16
202	1	175000	16
203			6
204	7	175000	14
205	0		16
206	1	67500	16
207		1500	12
208	7	55000	14
209		37500	12
210		1500	12