The results of Dr. Mottle's study indicate a level of statistical significance at the .01 level. What does this mean?
A) Results like these are due to chance factors only 1 in 100 times.
B) There is a 95 percent chance that the sample results are not due to chance factors alone.
C) The odds of such results based on chance alone are .05.
D) One can be 95 percent confident that the results are due to a real relationship in the population.
A
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Which of the following actions could the Senate take without participation by the House of Representatives?
a. Passing a bill to lower the drinking age b. Increasing taxes on luxury cars c. Confirming the president's choice of secretary of state d. Lowering the highest marginal tax rate e. Firing a cabinet member
According to a 1998-1999 survey, what percentage of U.S. faculty who teach undergraduates consider themselves far Left?
a) About five percent b) About 40 percent c) About 60 percent d) About 95 percent