Sample Size Calculation Using Standard Deviation and Margin of Error
Nonfiction, Social & Cultural Studies, Social Science, Statistics
| Author: | Homework Help Classof1 | ISBN: | 1230000139854 |
| Publisher: | Classof1 | Publication: | June 6, 2013 |
| Imprint: | Language: | English |
| Author: | Homework Help Classof1 |
| ISBN: | 1230000139854 |
| Publisher: | Classof1 |
| Publication: | June 6, 2013 |
| Imprint: | |
| Language: | English |
An auditor wants to estimate the mean annual expenditure (across departments) on a particular item. They seek accuracy within a range of +/-$100. The population standard deviation is estimated to be $250. How many departments would they need to survey to achieve this level of accuracy with 95% confidence?
An auditor wants to estimate the mean annual expenditure (across departments) on a particular item. They seek accuracy within a range of +/-$100. The population standard deviation is estimated to be $250. How many departments would they need to survey to achieve this level of accuracy with 95% confidence?
