Consider the following time series representing the monthly earnings for

Sheet1

Month_t	Earnings_rt	SES(0.5)_Pt	SES(0.1)_Pt
2	146	144.00	144.00		2
3	143	145.20	144.20		1.2
4	142	143.88	144.08		2.08
5	143	142.75	143.87		0.87
6	143	146.50	144.38		1.38
7	148	144.40	144.25		3.75
8	149	146.56	144.62		4.38
9	143	148.02	145.06		2.06
10	146	145.01	144.85		1.15
11	144	145.60	144.97		0.97
12	145	144.64	144.87		0.13
13	147	144.86	144.88		2.12
14	145	146.14	145.10		0.1
15	142	145.46	145.09		3.09
16	144	143.38	144.78		0.78
17	146	143.75	144.70		1.3
18	143	145.10	144.83		1.83
19	142	143.84	144.65		2.65
20	148	142.74	144.38		3.62
21	147	145.89	144.74		2.26
22	148	146.56	144.97		3.03
23	144	147.42	145.27		1.27
24	146	145.37	145.15		0.85
					1.8639130435

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