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Independent Random Samples of Managers' Yearly Salaries (In $1000s) Randomly  Government  Private xˉ8075s910n2831\begin{array} { l l } &\text { Government } & \text { Private } \\\bar{x}&80 & 75 \\s&9 & 10 \\n&28 & 31\end{array}

Question 12

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Independent random samples of managers' yearly salaries (in $1000s) randomly selected from governmental and private organizations provided the following information. At 95% confidence, test to determine if there is a significant difference between the average salaries of the managers in the two sectors.  Government  Private xˉ8075s910n2831\begin{array} { l l } &\text { Government } & \text { Private } \\\bar{x}&80 & 75 \\s&9 & 10 \\n&28 & 31\end{array}

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H0: μ1 - μ2 = 0
Ha: μ1 - μ2 ≠ 0
df = 5...

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