Question:
The following is the actual sales for Manama Company for a
Last updated: 8/6/2022
The following is the actual sales for Manama Company for a particular good: Sales 1 16 2 19 3 25 4 32 5 33 The company wants to determine how accurate their forecasting model, so they asked their modeling expert to build a trend model. He found the model to forecast sales can be expressed by the following model: Ft-5-2.4t Calculate the amount of error occurred by applying the model is: