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fall1013classwork1

fall1013classwork1 - Exam Name MULTIPLE CHOICE Choose the...

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Exam Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Determine whether the evaluated group is a population or a sample. 1) The average age of 45 employees of a large company is found to be 32 years. 1) A) Sample B) Population 2) A researcher examines the records of all the registered voters in one city and finds that 43% are registered Democrats. 2) A) Population B) Sample Determine whether the given value is a sample statistic or a population parameter. 3) A researcher determines that of all 25 year old women in her city, 37% are married. 3) A) Sample statistic B) Population parameter 4) An investigation of 150 randomly selected local restaurants concluded that 42% of local restaurants have serious health code violations. 4) A) Population parameter B) Sample statistic Answer the question. 5) Based on a poll, a newspaper reported that between 56% and 64% of voters would be likely to vote for a school bond issue. What is the margin of error of the poll? 5) A) 4% B) 10% C) 32% D) 28% Provide an appropriate response. 6) A poll of 700 persons attending the Taste of Chicago showed that 455 persons, 65% of the sample, believed that the food was overpriced. It is estimated that 1,250,000 persons attend the Taste. Statistics suggest that, although 65% of attendees, with a margin of error of 5 percentage points, believe that the food is overpriced, the Taste is a popular event. The raw data of the study is 6) 7) A poll of 700 persons attending the Taste of Chicago showed that 455 persons, 65% of the sample, believed that the food was overpriced. It is estimated that 1,250,000 persons attend the Taste. Statistics suggest that, although 65% of attendees, with a margin of error of 5 percentage points, believe that the food is overpriced, the Taste is a popular event. The goal of the study was to 7) 1
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