Consider the following time series data: Week 1     2    3   4    5    6 Value 18  13  16  11 17 14 2) Refer to the time series data in Exercise 1. Using the average of all the historical data as a forecast for the next period. Compute the following measures of forecast accuracy i)Mean absolute error ii)Mean squared error iii)Mean absolute percentage error iv)What is the forecast for week 7?

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A:

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Forecasting in Business

Forecasting is the process of predicting the future based on the past and the present data and circumstances. In other words, forecasting is the act of making a detailed analysis of future events based on the decisions made in the past as well as the present. Forecasting plays a very important role in operational management as it helps in planning and decision-making. It is not only important for the success of a business but also contributes to individual growth and success. Many business organizations or companies have failed due to the shortcomings of their forecasting.