A degree of freedom (d.f.) for a t-score is calculated by subtracting one from the _____.
a. standard deviation
b. variance
c. Sum of Squares
d. sample size
d. sample size
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President Truman's speech to Congress in March, 1947 sought American aid for which two countries in the Mediterranean region?
a. Iran and Turkey b. Iran and Greece c. Greece and Turkey d. Romania and Turkey e. Iraq and Turkey
Brazil is a large, ethnically heterogeneous, primarily Catholic country. It has a presidential system with proportional representation electoral laws. Based on this description and the hypothetical regression results below, what factors about Brazil encourage political extremism? What factors discourage political extremism? Which have no effect?
What will be an ideal response?
The Supreme Court has used selective incorporation to __________ the authority of states
a. protect b. limit c. expand-- d. define
Which of the following best describes the Speaker's race?
A) Each legislator votes on the candidate for Speaker who is nominated by that person's party. B) A statewide election in which citizens select the leader of the Texas Senate C) Legislators vote for a Speaker from a list of five candidates compiled by the governor. D) Potential Speakers collect signed pledges from Senators (and even Senate candidates) before the vote is actually held. E) The member of the majority party with the greatest seniority becomes Speaker.