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A random sample of 21 checking accounts at a bank showed an average daily balance of $430 with a standard deviation of $50.
a.Provide a 95% confidence interval estimate of the variance of the population of the checking accounts.
b.Provide a 95% confidence interval estimate of the standard deviation of the population of the checking accounts.
Profit Centers
Segments or areas within a business that are responsible for generating profit, with their performance measured based on the income they produce.
Decision Making
The method of selecting options through recognizing a decision to be made, collecting data, and evaluating different solutions.
Division Profits
The earnings generated from a specific department or segment within a larger organization.
Profit Centers
Segments or divisions within a company that are directly responsible for generating a significant portion of the company's profits.
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