1 If you wanted to use a 90% confidence level, what sample size should you use if...
Question:
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If you wanted to use a 90% confidence level, what sample size should you use if the standard deviation is 10 and the allowed error is 2?
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Hypothesis Data: A popular survey says the mean number of clients who use the organization website is 424. You want to prove it is less. Your sample of 100 shows a mean of 417clients use the website with a standard deviation of 20. Use a 99% confidence level
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Marketing Research
ISBN: 978-1118156636
11th edition
Authors: David A. Aaker, V. Kumar, Robert Leone, George S. Day