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Explain the central-limit theorem and discuss why it is useful to researchers.
Cost Formulas
Equations used to calculate costs, including both fixed and variable components, for budgeting and cost management purposes.
Activity Variances
The differences between planned activity levels and actual activity levels, and the impact of these differences on a company's costs.
Personnel Expenses
Costs associated with employee compensation, including wages, salaries, benefits, and taxes.
Cost Drivers
Factors that cause the cost of an activity or process to change.
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