Question

Is there an association between patient BMI and cholesterol level at screening? Consider overweight, normal and underweight categories for BMI. Do a Chi-Square. I am having trouble finding the test statistics. I picked the level of significance to be 5%.

Patient ID	Drug	Sex	Age	Height	BMI	Weight	Cholesterol
1	B	F	22	67.13	21.52787	138	197
2	B	M	22	63	20.36911	115	181
3	B	F	22	72	25.76582	190	190
4	A	M	22	69	16.98068	115	131
5	B	M	25	73	21.10715	160	172
6	B	M	22	67.5	23.14403	150	233
7	A	M	23	73	20.31563	154	194
8	A	M	24	71.5	25.43987	185	155
9	A	F	23	73.5	23.16331	178	234
10	A	M	22	72.25	21.27829	158	201
11	A	M	26	73	24.8009	188	258
12	A	M	22	64.25	25.54467	150	212
13	B	M	22	64.25	20.94663	123	137
14	B	F	27	65	22.96189	138	285
15	A	M	22	59	28.87935	143	218
16	B	F	24	67.5	21.4468	139	167
17	A	F	22	71.5	21.452	156	170
18	A	M	22	69	22.14871	150	157
19	A	M	24	68	20.52444	135	215
20	A	M	25	74	28.11486	219	194
21	A	F	28	71	24.12597	173	207
22	A	M	22	68.5	22.62305	151	198
23	A	M	23	75.5	22.44568	182	189
24	A	M	24	70	23.09857	161	216
25	B	F	22	72	23.86728	176	212
26	B	F	26	72.5	23.67296	177	175
27	B	F	23	72	23.59606	174	158
28	B	F	20	74	30.04054	234	115
29	B	F	28	66	24.20799	150	228
30	A	F	23	74	19.12838	149	164
31	B	M	22	70	22.38122	156	149
32	A	F	23	71.5	23.10216	168	211
33	B	F	22	73	24.00938	182	191
34	B	F	40	75	27.12018	217	277
35	B	M	22	65	31.6142	190	178
36	A	F	25	69	23.47763	159	157
37	A	M	22	73	25.19666	191	151
38	A	M	24	59.5	27.8003	140	209
39	B	F	23	71	25.52053	183	209
40	B	F	26	71	22.59195	162	197
41	B	M	29	69.5	26.34294	181	226
42	B	F	30	70	28.12	196	127
43	A	M	25	65.5	23.10425	141	180
44	B	F	25	74	29.52703	230	117
45	A	M	24	70	19.36837	135	215

Answer 1

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