(Solution) - A commercial bakery has recorded sales in dozens for three -(2025 Original AI-Free Solution)

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A commercial bakery' has recorded sales (in dozens) for three products during the last 15 workdays:

a. Plot the three time series variables to determine their pattern.
b. Forecast workday 16 sales for each of the products using an appropriate native method.
c. If you could use a more sophisticated method than naive, what technique would you use for each variable?