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Question
In order to estimate the difference between the average yearly salaries of top managers in private and governmental organizations, the following information was gathered.Private | Governmental | |
Sample Size | 50 | 60 |
Sample Mean (in $1,000s) | 190 | 180 |
Sample Standard Deviation (in $1,000s) | 6 | 8 |
Develop an interval estimate for the difference between the average salaries of the two sectors. Let = .05.
Answer
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