Since 1952, most major polls have
A) picked the winner of the presidential election.
B) sampled fewer people each year.
C) sampled more people each year.
D) been administered by mail.
E) been flawed.
Question -2-The difference between the results of two surveys or samples is called
A) research flaws.
B) sampling error.
C) type one error.
D) type two error.
E) confidence error.
Question -3-If any given voter has an equal chance of being in a survey, the sample is best described as a __________ sample.
A) random
B) stratified quota
C) split
D) two-stage
E) bifurcated
Question -4-At least how many people must be polled to capture the opinions of 300 million people?
A) 15
B) 150
C) 1,500
D) 15,000
E) 150,000
Question -5-Although early studies of American public opinion and voting found low information levels, they also found that Americans were pretty good at
A) working the system to get the policies that they desired.
B) contacting candidates on a regular basis.
C) discussing complex political issues.
D) employing cues to select policies, parties, and candidates that most nearly reflected their values and interests.
E) explaining the workings of government and major currents in law.
Question -6-If one poll shows that Congress has an approval rating of 10 percent and another poll taken at the same time shows 30 percent, what is the sampling error?
A) ten percent
B) thirty percent
C) forty percent
D) twenty percent
E) fifty percent
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