For the following time series data, using the naïve method (the most recent value as the forecast for the next period), answer the following questions. 
a
Compute mean absolute error (MAE).
b.
Compute mean squared error (MSE).
c.
What is the forecast for period 7?
Definitions:
Make Or Buy
A decision-making process used by companies to determine whether products or services should be produced in-house or purchased from an external supplier.
Global Organizations
Companies that operate and have a presence in multiple countries around the world, often involved in international trade and commerce.
Service Standardization
The process of defining and adhering to consistent procedures and criteria for service delivery to ensure quality and predictability.
Operations-Related Tasks
Tasks that pertain to the day-to-day running and managing of a business’s operational activities.
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