Question 6 10 pts Problem 672607: 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. Period Demand Forecasts 1 52 2 62 59 3 59 67 4 53 61 5 58 69 Also, we want to monitor the forecasts using tracking signals with control limits of +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. MADs Tracking Signals Period Cumulate Errors 1 2 3 4 5 Based on tracking signals of period 4 and 5, are the forecasts biased? (Yes/No)