Sample Size Calculation Using Standard Deviation and Margin of Error
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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?
Details
- Publication Date
- Jun 7, 2013
- Language
- English
- Category
- Education & Language
- Copyright
- All Rights Reserved - Standard Copyright License
- Contributors
- By (author): Homework Help Classof1
Specifications
- Format