In a simple linear regression the best fitting linear model always passes through point 
Definitions:
Product Margin
The profit made from selling a product, calculated by subtracting the cost of manufacturing and selling that product from its sale price.
Machine-Hours
A measure of production time, indicating the hours that machines are in operation.
Number of Batches
The total count of groups or sets of items processed or produced together within a given time period, often used in manufacturing and quality control.
Activity-Based Costing
A costing method that assigns overhead and indirect costs to related products and services based on their usage of resources, providing more accurate product cost information.
Q12: Referring to Scenario 11-7, the null hypothesis
Q64: Referring to Scenario 14-13, the fitted model
Q86: Referring to Scenario 13-13, the value of
Q112: Referring to Scenario 13-2, to test that
Q132: Referring to Scenario 11-12, the mean square
Q152: Referring to Scenario 13-4, the least squares
Q162: Referring to Scenario 14-17, the alternative hypothesis
Q189: Referring to Scenario 14-7, the value of
Q296: Referring to Scenario 14-8, the analyst wants
Q300: To properly examine the effect of a