In a Sample with M = 40 and S =

question 55

Multiple Choice

In a sample with M = 40 and s = 8,what is the z-score corresponding to X = 38?​

• A)​z = -0.25
• B)​z = -0.50
• C)​z = 0.25
• D)​z = 0.50

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Definitions:

Variable Cost

Expenditures that change in line with production or sales quantities, notably labor and materials.

Mixed Cost

A cost consisting of both fixed and variable components, changing in total with the level of activity but remaining constant on a per unit basis only up to a certain level of activity.

Activity

A measure of actions or operations within a process, often used to allocate costs in activity-based costing.

Per Unit

A term referring to the cost, price, or quantity related to one unit of a product or service.