Solutions Statistics

In the following example, the researcher was interested in determining if the following index (x) wa

Question: In the following example, the researcher was interested in determining if the following index (x) was associated with (y), remission in cancer patients. The index x measures proliferation activity of cells after a patient receives an injection of tritiated thymidine. The response variable y indicates whether the patient achieved remission (1), or did not achieve remission (0).

The data is tabulated below:

case	x	y
1	15	0
2	9	0
3	37	1
4	31	1
5	31	1
6	40	1
7	11	0
8	2	0
9	27	1
10	30	1
11	40	1
12	25	1
13	4	0
14	24	1
15	38	1
16	20	0
17	26	1
18	34	1
19	22	0
20	35	1
21	24	1
22	25	1
23	8	0
24	20	1
25	4	0
26	27	1
27	23	1
28	23	0
29	15	0
30	1	0
31	39	1
32	14	0
33	10	0
34	22	1
35	12	0
36	1	0
37	1	0
38	11	0
39	7	0
40	38	1
41	16	1
42	1	0
43	24	1
44	40	1
45	33	1
46	11	0
47	30	0
48	8	0
49	39	1
50	17	1
51	31	1
52	15	1
53	25	1
54	0	0
55	11	0
56	33	1
57	36	1
58	29	1
59	40	1
60	28	1
61	19	1
62	22	0
63	28	1
64	21	0
65	5	0
66	22	1
67	38	1
68	12	0
69	32	1
70	37	1
71	34	1
72	33	1
73	28	1
74	4	0
75	12	0
76	28	1
77	33	1
78	5	0
79	37	1
80	9	0
81	26	1
82	15	1
83	23	0
84	1	0
85	22	0
86	18	1
87	34	1
88	6	0
89	28	0
90	11	0
91	8	0
92	15	1
93	5	1
94	3	0
95	8	0
96	29	1
97	15	0
98	39	1
99	32	1
100	10	0