data:

Tree	N	E	S	W
1	72	66	76	77
2	60	53	66	63
3	56	57	64	58
4	41	29	36	38
5	32	32	35	36
6	30	35	34	26
7	39	39	31	27
8	42	43	31	25
9	37	40	31	25
10	33	29	27	36
11	32	30	34	28
12	63	45	74	63
13	54	46	60	52
14	47	51	52	43
15	91	79	0	75
16	56	68	47	50
17	79	65	70	61
18	81	80	68	58
19	78	55	67	60
20	46	38	37	38
21	39	35	34	37
22	32	30	30	32
23	60	50	67	54
24	35	37	48	39
25	39	36	39	31
26	50	34	37	40
27	43	37	39	50
28	48	54	57	43

Question 4: (revisit data set given in Question 3) a. Test H. : S = oI b. Let 1 - 1 1 -1 1 0 -1 0 0 1 0 -1 Test Ho: CXC' = OPI Question 4: (revisit data set given in Question 3) a. Test H. : S = oI b. Let 1 - 1 1 -1 1 0 -1 0 0 1 0 -1 Test Ho: CXC' = OPI