3) Time Series: Using Dataset P12_02 and the random walk method, what is your prediction for next week's sales? Week 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Sales $4,229.82 $4,124.74 $4,330.02 $4,356.76 $4,517.70 $4,172.16 $4,118.91 $4,528.51 $4,432.99 $4,014.11 $3,846.33 $4,329.94 $4,195.64 $4,391.30 $3,967.19 $4,012.72 $4,020.53 $4,496.92 $4,506.97 $3,830.80 $4,253.33 $4,348.23 $3,921.39 $4,103.85 $4,130.41 3) Time Series: Using Dataset P12_02 and the random walk method, what is your prediction for next week's sales? Week 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Sales $4,229.82 $4,124.74 $4,330.02 $4,356.76 $4,517.70 $4,172.16 $4,118.91 $4,528.51 $4,432.99 $4,014.11 $3,846.33 $4,329.94 $4,195.64 $4,391.30 $3,967.19 $4,012.72 $4,020.53 $4,496.92 $4,506.97 $3,830.80 $4,253.33 $4,348.23 $3,921.39 $4,103.85 $4,130.41