Simple linear regression has how many independent variables?

Select one:

A. Zero

B. One

C. Two

D. More than two

E. Different models have different numbers

Which of the following is not an assumption of regression?

Select one:

A. The residuals are normally distributed

B. The expected value of the residuals is one

C. The residuals are independent of one another

D. The variance of the residuals is constant

E. All of them are assumptions of regression

Which of the following statements about supply chain management (SCM) is correct?

Select one:

A. SCM programs are putting ever greater emphasis on the finance function

B. SCM coordinates and integrates several activities into a process by linking the most important partners in the chain

C. The goal of SCM is to deliver the right product at the right time, while yielding the lowest possible costs

D. SCM enables manufacturers to actively plan and collaborate across a distributed supply chain

Which of the following is false about supply chains?

Select one:

A. Just-in-time deliveries (JIT) and lean manufacturing dictate a demand chain

B. When customers of a service are also suppliers, they should be attracted

C. A supply chain is suggestive of a system of production in which the customer pulls the product

D. Suppliers that are not customers must be chosen carefully

E. All of them are false

3PL companies:

Select one:

A. Offer their products in a most efficient manner

B. Are also known as third-place location firms

C. Have chosen to outsource at least portions of their supply chain management function

D. Provide services including handling product distribution and returns, receiving materials and managing warehouses