If Cov(x,y)= 1260 $s _ { x } ^ { 2 } = 1600$

question 49

Multiple Choice

If cov(x,y) = 1260, $s _ { x } ^ { 2 } = 1600$ ,and $s _ { y } ^ { 2 } = 1225$ ,then the coefficient of determination is:

• A) 0.90
• B) 1.23
• C) 0.81
• D) 0.006

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Definitions:

Process Costing

A costing method used in manufacturing where costs are assigned to batches or production runs, typically suitable for uniform products.

Prime Costs

The combination of direct materials and direct labor costs.

Direct Labor

This term refers to the labor costs associated with workers who are directly involved in the production of goods or services.

Direct Materials

Materials directly linked to the production of a product, constituting a major part of the manufacturing expenses.