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Suppose you own a courier service and you use two types of delivery vehicles - Model A,which costs to purchase,and Model B,which costs $50 000 to purchase.You have a budget of
for the purchase of new vehicles.If you were to draw a budget line to illustrate the choice between Model A and Model B vehicles,with A on the vertical axis and B on the horizontal axis,the vertical intercept and the horizontal intercept,respectively,would be
Linear Regression
A statistical method for modeling the relationship between a dependent variable and one or more independent variables by fitting a linear equation to the data.
Residuals
The differences between observed values and the expected values predicted by a model.
Fitted Values
Estimates or predictions generated by a statistical model that represent the best guesses for the dependent variable based on the model and the input values.
Constant Variance
The condition in which the variance of the error terms in a regression model is the same across all levels of the independent variable.
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