In Order to Estimate the Difference Between the Average Yearly

Short Answer

In order to estimate the difference between the average yearly salaries of top managers in private and governmental organizations, the following information was gathered.
$\begin{array}{lcc}&\text { Private }&\text { Governmenta }\\\text { Sample Size } & 50 & 60 \\\text { Sample Mean in } \$ 1,000 s) & 90 & 80 \\\text { Sample Standard Deviation in } \$ 1,000 s) & 6 & 8\end{array}$ Develop an interval estimate for the difference between the average salaries of the two sectors. Let α = .05.