High school students were interested in a teacher's claim that the longer the length of time (hours) that a student studies for a test, the higher the test score. The students collected the data and the teacher did the regression analysis with the following results. 
Write the regression equation in terms of the independent and dependent variables.
Definitions:
Process Costing
A method of costing used in manufacturing where the cost of products is determined by averaging over units produced, typically used in industries where the production is continuous.
Factory Wages
Compensation paid to workers who are directly involved in the production process in a manufacturing setting.
Indirect Labor
Labor costs associated with support operations, not directly involved in the production of goods or services, such as maintenance and cleaning staff.
Process Costing System
A process costing system is an accounting method used where identical or similar products are mass-produced, and costs are assigned to individual units of output based on the average cost.
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