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A widening pattern of residuals as X increases would suggest heteroscedasticity.
Net Income
The total earnings of a company after all expenses and taxes have been deducted from revenue.
Sales Units
The number of individual items or units a business sells within a specific period.
Variable Expenses
Expenses that change in proportion to the activity of a business such as production volume or sales.
Fixed Expenses
Costs that do not change in total despite fluctuations in the volume of goods or services produced or sold.
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