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Section 1.5: Bias in Sampling following list. 1. For each, determine the type of bias involved and choose the best answer from the 1. Convenience Sample 2. Incomplete Frame 3. Non-response bias 4. Interviewer error 5. Misrepresented answers 6. Wording of questions 7. Order of questions and words 8. Type of questions 9. Data-entry error a) A bank sent out questionnaires to a simple random sample of 500 customers asking whether they would like the bank to extend its hours. Eighty percent of those returning the questionnaire said they would like the bank to extend its hours. Of the 500 questionnaires, 20 were returned. b) A television newscaster invites viewers to email their opinions about whether the U.S. Congress is doing a good job of handling the economy. More than 100,000 people send in their opinions. c) A police department conducted a survey in which police officers interviewed members of their community to ask their opinions on the effectiveness of the police department. The police chief reported that 90% of the people interviewed said they were satisfied with the performance of the police department. d) In a survey conducted by representatives of the nuclear power industry, people were asked the question: "Do you favor the construction of nuclear power plants to reduce the dependence on foreign oil?" e) Many polls are conducted over the telephone. Some polling organizations choose a sample of phone numbers to call from lists that include landline phone numbers only and do not include cell phones. . f) For the 2012 Republican Presidential Primary, a poll for Fox News asked who people would prefer to oppose President Obama in the election, but always put Mitt Romney first in the list. g) A student survey at the end of a semester in a course asks students 5 multiple choice questions, but leaves no space for comments