Question:

Using the attached time series date file, if the forecast value of time series, demand 1, for period 10 is 4.7, what is the percenterror in period 10? (Round your answer as a percent with one decimal place Period Demand 1 Demand 2 Demand 3 Demand 4 Demand 5 1 5.23 4.78 4.79 5.17 4.62 2 4.16 5.87 4.60 5.37 5.63 3 5.81 5.36 4.46 4.91 4.36 4 4.50 4.82 5.92 4.59 5.28 5 4.38 4.88 4.91 4.26 4.90 6 5.01 5.20 4.30 5.42 5.42 7 4.27 5.30 4.13 4.87 5.07 8 5.97 5.40 5.73 4.83 4.51 9 5.96 4.94 4.56 5.38 4.78 10 5.36 5.20 4.19 4.75 4.17 11 4.68 5.76 4.74 5.86 5.22 12 5.38 6.00 4.34 5.22 4.43 13 5.59 5.77 5.04 4.31 4.83 14 4.66 4.95 5.86 5.33 4.79 15 4.59 4.18 4.69 5.55 4.24 16 4.10 4.47 5.21 5.22 4.18 17 4.35 5.74 5.77 4.42 5.22 18 4.65 5.61 5.72 5.12 4.57 19 5.63 4.14 4.75 5.96 5.95 20 5.98 4.34 5.60 4.60 4.82 21 4.85 4.44 4.34 4.60 5.09 22 5.36 5.65 5.62 5.77 4.29 23 5.47 5.77 4.17 5.48 5.78 24 5.91 4.30 4.27 5.52 5.43 25 4.33 4.01 4.02 5.19 4.14 26 4.70 5.33 5.78 4.76 5.94 27 5.74 4.20 4.51 5.61 5.80 28 5.07 5.77 5.07 5.17 5.33 29 4.97 4.21 5.58 4.60 5.83 30 5.07 4.24 4.21 4.55 5.55 31 4.98 4.95 4.76 5.76 5.53 32 4.62 5.11 4.53. 4.09 5.50 33 5.21 4.76 5.65 4.63 4.89 34 5.04 5.27 5.21 4.37 4.22 35 4.72 5.96 4.42 4.41 5.74 36 4.61 4.00 4.97 4.20 4.63