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28.   Select ALL that apply from the following evaluation metrics commonly used for classification tasks.

26.   Select ALL that apply regarding Python naming conventions.

19.   The below two tables are about sales and products. ‘Sales’ Table: SaleID ProductID Year Quantity Price 1 100 2008 10 $5000 2 100 2009 12 $5000 7 200 2011 15 $9000 ‘Product’ Table: ProductID ProductName 100 Nokia 200 Apple 300 Samsung   Select ALL that apply from the following commands that returns the same result as shown below: ProductName Year Price Nokia 2008 $5000 Nokia 2009 $5000 Apple 2011 $9000

29.   TRUE or FALSE… Both KNN and K-means are a type of machine learning algorithm that identifies patterns and structures in data without any labels or guidance.

Questions 26 – 31 total 28 points. They will test your Python and Machine Learning knowledge.

4.   To delete a particular column in a relation, the command used is:

Choose one of the questions below and answer it fully using standard English grammar and spelling: What role does forecasting play in the supply chain of a mail-order firm such as L.L. Bean? What are the main differences among the aggregate planning strategies? What is the bullwhip effect, and how does it relate to lack of coordination in a supply chain? Give a sample scenario to help explain the bullwhip effect.

Choose one of the questions below and answer it fully using standard English grammar and spelling: Discuss some reasons that we do not see more recycling or remanufacturing of products. Why is supply chain management software dominated by ERP  (Enterprise Resource Planning) players, such as SAP and Oracle?      

Choose one of the questions below and answer it fully using standard English grammar and spelling: How is the building of strategic partnerships and trust valuable within a supply chain? Give a sample scenario to help explain this value. Explain how a reduction in lead time can help a supply chain reduce safety inventory without hurting product availability? Give a specific example. Name two products with the same cost but different margins.  Which product should have a higher level of product availability?  Why?

Choose one of the questions below and answer it fully using standard English grammar and spelling: How could a grocery retailer use inventory to increase the responsiveness of the company’s supply chain? How could an auto manufacturer use transportation to increase the efficiency of its supply chain? How could an industrial supplies distributor use information to increase its responsiveness?