Question 1 Identify and briefly discuss potential sources of error that might be associated with the...
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Question 1 Identify and briefly discuss potential sources of error that might be associated with the following situations. (a) A company's sales teams are asked what percentage of the time they spend making presentations to potential customers, traveling, talking on the telephone, participating in meetings, working on the computer, and engaging in other on-the-job activities. (b) A sample of 12-year-old schoolchildren is asked if they have ever smoked a cigarette. The students are asked to respond orally in the presence of other students. () In a survey of frequent fliers age 50 and older, researchers concluded that price does not play a significant role in airline travel because only 25 percent of the respondents check off price as the most important consideration in determining where and how they travel, while 35 percent rate price as being unimportant. A university gymnasium and sports centre plans to recruite new members. They decided to include a set of questionnaire in the local newspapers for readers (could be their potential members) to fill in. After completing the questionnaire, readers need to return the questionanires by mail. (e) A researcher assistant was told to use the stratified sampling technique in the data collection for a survey. He stood at the entrance of a shopping mall and invited every 10th of the shoppers to fill up his questionnaire. Question 1 Identify and briefly discuss potential sources of error that might be associated with the following situations. (a) A company's sales teams are asked what percentage of the time they spend making presentations to potential customers, traveling, talking on the telephone, participating in meetings, working on the computer, and engaging in other on-the-job activities. (b) A sample of 12-year-old schoolchildren is asked if they have ever smoked a cigarette. The students are asked to respond orally in the presence of other students. () In a survey of frequent fliers age 50 and older, researchers concluded that price does not play a significant role in airline travel because only 25 percent of the respondents check off price as the most important consideration in determining where and how they travel, while 35 percent rate price as being unimportant. A university gymnasium and sports centre plans to recruite new members. They decided to include a set of questionnaire in the local newspapers for readers (could be their potential members) to fill in. After completing the questionnaire, readers need to return the questionanires by mail. (e) A researcher assistant was told to use the stratified sampling technique in the data collection for a survey. He stood at the entrance of a shopping mall and invited every 10th of the shoppers to fill up his questionnaire.
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Common sources of error include instrumental environmental procedural and human All of these errors ... View the full answer
Related Book For
Business Statistics
ISBN: 978-0321925831
3rd edition
Authors: Norean Sharpe, Richard Veaux, Paul Velleman
Posted Date:
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