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A sample of 13 college professors has a mean age of 30 years and a standard deviation of 5 years.Suppose that the sample is enlarged to 15 college professors,by including two additional professors that are each 30 years old.Will the standard deviation increase,decrease,or stay the same,and why?
Overhead Cost
The ongoing, general business expenses not directly tied to producing goods or services but necessary for running the business.
Traditional Costing
A costing method that assigns factory overhead to products based on volume-related measures such as direct labor hours or machine hours.
Product B
A generic term used to differentiate one product from another in a specific context, often used for analysis, comparison, or as an example.
Direct Labor-Hours
The total hours of labor directly involved in manufacturing a product, often used as a basis for allocating overhead costs.
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