Question
QUESTION 4 An 95% confidence interval for the average salary of all CEOs in the electronics industry was constructed using the results of a random
QUESTION 4
An 95% confidence interval for the average salary of all CEOs in the electronics industry was constructed using the results of a random survey of 45 CEOs. The interval was ($139,134,$154,365). To make more useful inferences from the data, it is desired to reduce the width of the confidence interval. Which of the following will resulting a narrower confidence interval for sure?
| A. | Increase the sample size and increase the confidence level | |
| B. | Increase the sample size and decrease the confidence level | |
| C. | Decrease the sample size and increase the confidence level | |
| D. | Decrease the sample size and decrease the confidence level |
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Managerial Accounting
Authors: Ray H. Garrison, Eric W. Noreen, Peter C. Brewer
13th Edition
978-0073379616, 73379611, 978-0697789938
