heartrate versus hours of exercise and stimulant use

	A	B	C	D	E	F
1	Hours exercise	Heart rate (bpm) no stim	Heart rate (betelnut)	Heart rate (coffee)	Heart rate (tobacco)

2	3		61	61	61	1. Calculate the four slopes
3	5		95		95	2. Calculate the four intercepts
4	12		57		57	3. Calculate the four correlation coefficient r
5	14		55		55	4. Calculate the four coefs of determination
6	2		68	68	68	5. What are the strengths of the four relationships?
7	3		67		67	USE ALL OF THE DATA FROM ALL SECTIONS!
8	3		82		82
9	8		40		40
10	15	68
11	3		86		86
12	1		60	60	60
13	1			63
14	12	68
15	2		65	65	65
16	4	85
17	2	54
18	5	79
19	15	65
20	17		61		61
21	6		64		64
22	0	55
23	4.5	75
24	0	64
25	3	64
26	4		58		58
27	6	82
28	6	92
29	2		70		70
30	12		53		53
31	6		60		60
32	6			60
33	1		65	65	65
34	9		54		54
35	0	66
36	0	68
37	0		65		65
38	2		52		52
39	0	53
40	0	61
41	0	63
42	3	60
43	0	73
44	3		45	45	45
45	6	58
46	12	46
47	3	70
48	4	58
49	6		77		77
50	0	75
51	10		68		68
52	0	68
53	3			89	89
54	2			64
55	8	57
56	4	61
57	10		73		73
58	6		73		73
59	0		58		58
60	0	58
61	1		65		65
62	2	65
63	21	56
64	4		60	60
65	0	52
66	12		60		60
67	5	78
68	5	65
69	3	70
70	6		55		55
71	4		95		95
72	21		52	52	52
73
74		Heart rate (bpm) no stim	Heart rate (betelnut)	Heart rate (coffee)	Heart rate (tobacco)
75	min	46	40	45	40
76	q1	58	57	60	57
77	q3	70	68	65	70
78	max	92	95	89	95
79	n	34	33	12	33
80	median	65	61	62	64
81	mode	68	60	60	65
82	mean	65.65	64.21	62.67	65.09
83	sx	10.11	12.44	10.38	13.14
84
85	standard error	1.73	2.17	3.00	2.29
86	t-critical for c=0.95	2.03	2.04	2.2	2.04
87	margin of error	3.52	4.42	6.59	4.67
88		Heart rate (bpm) no stim	Heart rate (betelnut)	Heart rate (coffee)	Heart rate (tobacco)
89	lower bound 95% CI	62.13	59.79	56.08	60.43
90	mean	65.65	64.21	62.67	65.09
91	mean	65.65	64.21	62.67	65.09
92	upper bound 95% CI	69.17	68.63	69.26	69.76
93
94	slope
95	intercept
96	correlation
97	coef det
98	strength
99
100