If the Temperatures Over a 12-Hour Period in Phoenix Arizona

question 12

Multiple Choice

If the temperatures over a 12-hour period in Phoenix Arizona were 72 83 91 90 103 102 98 96 93 82 80 and 72 what was the average temperature during this time period? (Round to the nearest degree)

• A) 91
• B) 72
• C) 96
• D) 89
• E) 1062

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Definitions:

Concentrated Industries

Industries in which a small number of companies hold a large market share, resulting in reduced competition.

R&D

Research and Development: Activities in connection with corporate or governmental innovation.

Marginal Cost

The spending necessary to fabricate one more unit of a good or service.

Herfindahl-Hirschman Index

An index measuring the level of concentration in a market, calculated by summing the squares of the market shares of all competitors.