All of the following are true of the error term in a regression equation except which one?
A) It's distribution is assumed to be bell-shaped.
B) It is random.
C) It is assumed to be normally distributed.
D) It is constant.
D) It is constant.
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Which of these is a goal of ethnomedicine?
A) reducing the cost of health care to minority populations B) understanding the risk factors and treatment strategies for infectious disease C) developing new vaccines and medical strategies based on tribal medicine D) discovering the health-related beliefs, knowledge, and practices of a cultural group
Which of these goals is most likely to convince an indigenous people to help prevent deforestation?
A. doing what is good for the globe B. preventing erosion in farmland C. slowing global warming D. helping the government secure a place in the European Union E. saving global biodiversity
Reciprocity refers to an exchange of goods and/or services of _____
a. unequal value that occurs at the same moment in time b. exactly the same value that occurs over a short period of time c. relatively equal value between two parties without the use of money d. unequal value between elites and commoners in a state society e. relatively equal value between more than two parties that sometimes involves the use of money
The term "unguiculate" means:
A. nails instead of claws on the ends of the digits. B. an enclosed eye socket. C. a type of pterosaur that lived 65 million years ago. D. a high encephalization quotient.