Making a prediction

	A	B	C	E	F	G
1	Hours studying	Exam Grade	Best Fit		Slope (m)	Intercept (b)
2	1.3	23	44	slope and intercept	5.14	37.46
3	0.3	17	39	linest	5.14	37.46
4	1.8	28	47
5	0.7	33	41	What score do you predict a student will receive after studying x hours?
6	0.4	37	39
7	0.5	46	40	y = mx + b	x	y
8	1.4	29	45		study hours	exam score
9	0.3	15	39
10	0.3	47	39		10	89
11	1.6	31	45		0	37
12	1.1	33	43		15	115
13	1.7	20	46		3	53
14	0.6	22	41
15	0.7	45	41
16	0.2	38	38
17	1.1	35	43
18	0.3	36	39
19	0.4	20	40
20	0.5	10	40
21	0.7	50	41
22	0.5	31	40
23	1.6	45	45
24	1.9	28	47
25	0.6	39	40
26	1.8	29	47
27	0.6	47	40
28	1.0	33	42
29	0.3	27	39
30	0.8	11	41
31	1.3	12	44
32	1.5	41	45
33	1.8	25	47
34	0.1	42	38
35	1.2	32	43
36	1.8	45	47
37	2.4	30	50
38	2.3	44	49
39	0.1	47	38
40	0.1	33	38
41	2.0	34	48
42	1.0	40	42
43	1.7	56	46
44	0.1	46	38
45	2.1	46	48
46	0.5	56	40
47	2.2	31	49
48	2.9	60	52
49	2.5	36	50
50	2.4	59	50
51	0.4	55	40
52	3.0	45	53
53	0.4	46	40
54	1.0	46	43
55	1.2	35	44
56	2.6	42	51
57	2.2	38	49
58	1.7	45	46
59	0.2	41	38
60	1.6	50	46
61	2.4	56	50
62	0.4	46	39
63	1.4	52	45
64	2.4	41	50
65	0.7	42	41
66	0.4	60	40
67	2.6	47	51
68	2.1	47	48
69	2.6	31	51
70	2.5	38	50
71	0.5	31	40
72	0.5	42	40
73	2.5	54	50
74	2.2	34	49
75	1.0	30	42
76	2.1	60	48
77	0.0	60	38
78	0.9	32	42
79	1.5	59	45
80	1.9	42	47
81	2.9	39	52
82	2.0	41	48
83	0.0	52	38
84	0.4	42	40
85	0.1	54	38
86	0.1	35	38
87	1.9	56	47
88	0.9	39	42
89	2.7	33	51
90	0.4	36	40
91	0.9	54	42
92	1.6	52	46
93	1.5	42	45
94	2.5	34	50
95	1.9	30	47
96	1.1	47	43
97	1.7	32	46
98	2.8	34	52
99	1.8	46	47
100	0.7	38	41