Consider the data set in Table 9.9 and smooth the data using Brown’s exponential smoothing method with smoothing factors 0.1 and 0.9.

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Time point 1 2 3 4 5 6 7 00 9 10 Table 9.9 Series value 5.38 5.36 5.38 5.65 5.59 5.43 5.53 5.43 5.4 5.35 Time point 11 12 13 14 15 16 17 18 19 20 Series value 5.3 5.51 5.49 5.38 5.57 5.91 5.91 5.86 5.62 5.49 Time point 21 22 23 24 25 26 27 28 29 30 Series value 5.49 5.38 5.46 5.43 5.35 5.28 5.54 5.38 5.35 5.45