Which of the following tests is used to determine whether an additional variable makes a significant contribution to a multiple regression model?

a. a t test
b. a Z test
c. an F test
d. a chi-square test


C

Business

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Which statement BESTdescribes how to handle the matter of risks in a business plan?

a. Ignore risks. b. Underplay risks. c. Acknowledge risks; outline contingent plans. d. Acknowledge risks; provide an alternative version of the business plan. e. Do not project plans for the company's development beyond the stage covered in detail in the business plan.

Business

Graham, the operations manager at Flux Corp., presents a report to the management about the problems faced by the company in handling various tasks across the company's value chain. He points out that the company does not have expertise in most of these tasks and performing them leads to inefficient use of resources. In the context of the given scenario, to improve the company's utilization of resources, the management should:

A. vertically integrate the company. B. adopt the strategy of outsourcing. C. adopt green practices to achieve sustainability. D. seek ISO 9000 certification.

Business

Defendant Robert Martin gave his American Express credit card to McBride, a business associate, for use in a joint venture. McBride retuned the card to Martin and then disappeared. Martin claimed that he had orally authorized McBride to charge up to $500, but McBride charged about $5300 . Is Martin liable for $50 or $5300? Explain

Business

A P/E ratio considers

A. profits relative to earnings. B. price of the stock relative to earnings. C. price of a preferred stock relative to earnings. D. profits relative to equity.

Business