LINEAR REGRESSION AND SIMPLE EXPONENTIAL SMOOTHING (SES) FORECASTING

Data

	Age Data from Survey Response
	42	65	70	57
	38	34	41	34
	51	38	44	25
	37	47	75	70
	52	68	29	58
	73	66	61	62
	38	65	23	32
	42	57	75	71
	30	47	23	25
	48	78	41	38
	28	47	34	54
	75	23	40	70
	44	36	56	36
	21	21	68	35
	62	39	59	64
	65	38	74	74
	72	70	24	58
	45	42	33	41
	43	35	63	26
	34	48	66	73
	68	60	24	34
	67	46	40	52
	32	64	53	57
	49	46	43	28
	48	78	77	58
	43	48	44	24
	56	27	27	23
	54	66	38	55
	78	30	28	45
	60	57	24	41
	29	58	57	39
		Age
	n	124
	mean	48.2338709677
	median	46.5
	mode	38

Statistics

		cumulative
class interval	frequency	percent	frequency	percent		Bin	Frequency
21-25	12	9.7	12	9.7		21-25	12
26-30	10	8.1	22	17.7		26-30	10
31-35	10	8.1	32	25.8		31-35	10
36-40	13	10.5	45	36.3		36-40	13
41-45	15	12.1	60	48.4		41-45	15
46-50	10	8.1	70	56.5		46-50	10
51-55	7	5.6	77	62.1		51-55	7
56-60	14	11.3	91	73.4		56-60	14
61-65	9	7.3	100	80.6		61-65	9
66-70	11	8.9	111	89.5		66-70	11
71-75	9	7.3	120	96.8		71-75	9
76-80	4	3.2	124	100.0		76-80	4
						More	0
	124	100.0

Histogram

Frequency

21-25 26-30 31-35 36-40 41-45 46-50 51-55 56-60 61-65 66-70 71-75 76-80 More 12.0 10.0 10.0 13.0 15.0 10.0 7.0 14.0 9.0 11.0 9.0 4.0 0.0

Sheet3