The United States national government spends about ________ a year.
A) $4 billion
B) $250 billion
C) $1,000,000,000,000
D) $500 billion
E) $2.8 trillion
Ans: E) $2.8 trillion
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Protecting internal validity
A) is a minor concern in experimentation. B) cannot be achieve with fewer than 100 participants. C) is the primary purpose of experimentation. D) is achieved whenever sample size is equal in all the groups.
In simple random sampling, every member of the identified population
A) has an equal chance of being selected. B) has an unequal probability of being selected. C) has a simple relationship to the population. D) is willing to participate in the research.
At its beginning, the Democratic party primarily supported
a. urban interests. b. manufacturing interests. c. rural interests. d. religious interests. e. foreign interests.
Which metaphor best describes dual federalism?
A) sponge cake B) layer cake C) fruitcake D) marble cake E) pineapple upside-down cake