Question
A television news report says that 74% of Americans have a Facebook account. The poll is based on phone survey interviews with 4,650 adults randomly
A television news report says that "74% of Americans have a Facebook account." The poll is based on phone survey interviews with 4,650 adults randomly chosen from a numbered list of five million responses from around the United States, excluding Florida and Washington.
What type of sampling is used? (3 points)
Are there any sources of bias present? Explain.
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An Engineering Approach To Linear Algebra
Authors: W W Sawyer
1st Edition
0511565941, 9780511565946
