Independent random samples of managers' yearly salaries (in $1000) taken 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. 
Definitions:
Large Number
Refers to a quantity significant enough to influence or be noticed within a particular context, often used in statistical or mathematical analyses.
Monopolistically Competitive
Describes a market structure where many firms sell products that are similar but not identical, allowing for competition based on product differentiation.
Financial Planners
Professionals who help individuals and organizations create programs to meet long-term financial goals, such as retirement, education, and investment strategies.
Similar Substitutes
Products or services that satisfy the same needs or desires and can be used in place of one another.
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