Question: Problem 672604: Do not include anything other than numbers in your responses. For example, do not include comma or dollar sign in your numbers. As
Problem 672604: 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 | 61 |
| 3 | 59 | 61 |
| 4 | 53 | 68 |
| 5 | 58 | 65 |
Also, we want to monitor the forecasts using tracking signals with control limits of 4 MADs. Answer the following related questions:
A. Below fill in the blanks (cumulative errors, MADs, and tracking signals of periods 3, 4 and 5). Keep two decimal places in your calculations.
| Period | Cumulate Errors | MADs | Tracking Signals |
| 1 | --- | -- | -- |
| 2 | -- | -- | -- |
| 3 | |||
| 4 | |||
| 5 |
B. Based on tracking signals of period 4 and 5, are the forecasts biased? (Yes/No)
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