Choose the correct answer: A survey is conducted by an internet provider into customer satisfaction. A questionaire is emailed to a simple random sample of 600 of its customers who have recently upgraded thier packages. 450 of the 500 of the customers who replied stated that they where highly statisfied. What is likely to be the largest source of error in the inference from those that gave their opinion that 90% of all its customers are highly satisfied? Selection Bias Nonresponse error Sampling Error Data processing or acquisition error Type 2 error
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The internet provider conducted a survey to assess customer satisfaction among those who recently upgraded their packages. A simple random sample of 600 customers was selected, and 500 responded. Show more…
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A simple random sample of n = 300 full-time employees is selected from a company list containing the names of all N = 5,000 full-time employees in order to evaluate job satisfaction. a. Give an example of possible coverage error. A. No attempt is made to contact non-respondents to urge them to complete the evaluation of job satisfaction. B. The sample statistics obtained from the sample will not be equal to the parameters of interest in the population. C. Ambiguous wording in questions asked on the questionnaire. D. Only employees in a specific division of the company were sampled. b. Give an example of possible nonresponse error. A. No attempt is made to contact non-respondents to urge them to complete the evaluation of job satisfaction. B. Ambiguous wording in questions asked on the questionnaire. C. The sample statistics obtained from the sample will not be equal to the parameters of interest in the population. D. Only employees in a specific division of the company were sampled. c. Give an example of possible sampling error. A. Ambiguous wording in questions asked on the questionnaire. B. The sample statistics obtained from the sample will not be equal to the parameters of interest in the population. C. Only employees in a specific division of the company were sampled. D. No attempt is made to contact non-respondents to urge them to complete the evaluation of job satisfaction. d. Give an example of possible measurement error. A. Ambiguous wording in questions asked on the questionnaire. B. Only employees in a specific division of the company were sampled. C. No attempt is made to contact non-respondents to urge them to complete the evaluation of job satisfaction.
Adi S.
The manager of the customer service division of a major consumer electronics company is interested in determining whether the customers who have purchased a Blu-ray player made by the company over the past 12 months are satisfied with their products. If a customer survey questionnaire is included in all the Blu-ray players made and sold by the company over the past 12 months, this method of collecting data will most likely suffer from measurement error. B) nonprobability sampling C) coverage error. D) nonresponse error.
Following is not an example for a survey error. select one:Sampling error Measurement error Selection bias Non-response bias None of the above
Sanchit J.
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