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 Size50
60
Sample Mean (in $1000s)90
80
Sample Standard Deviation  (in $1000s)6
8
?
Develop an interval estimate for the difference between the average yearly salaries of top managers of the two sectors. Use 95% confidence and give your answers in dollars.

What will be an ideal response?


$7380 to $12,620

Business

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