Problem 672605: Do not include anything other than numbers in your responses. For example, do not include comma or dollar sign in your numbers. As a rule of thumb, keep 2 decimal places for larger numbers and 3 decimal places for smaller numbers less than 1. Consider the following data. We want to monitor the forecasts. Also, we want to monitor the forecasts using tracking signals with control limits of \pm 4 MADs. Answer the following related questions: Below fill in the blanks (cumulative errors, MADs, and tracking signals of periods 3,4 and 5). Keep two decimal places in your calculations. Based on tracking signals of period 4 and 5 , are the forecasts biased? (Yes/No)