An economic system in which individuals and firms exchange goods and services in a largely unfettered manner is best defined as
a. capitalism
b. a market economy
c. communism
d. a command economy
b. a market economy
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The most effective lobbyists in Texas are usually
A) labor lobbyists. B) business lobbyists. C) environmental lobbyists. D) public interest lobbyists. E) minority interest lobbyists.
Answer the following statement(s) true (T) or false (F)
1. A paired t-test violates the assumption of homogeneity. 2. The one-sample t-test tests whether the mean of a single variable is different from a prespecified value (norm). 3. The Mann–Whitney and Wilcoxon tests are equivalent. 4. The Mann–Whitney and Wilcoxon tests assign ranks to the testing variable and test whether the sums of ranks differ between the two categories. 5. The signed rank test is an independent samples test that examines differences of mean ranks to evaluate whether two samples come from the same population.