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Yvonne Yang, VP of Finance at Discrete Components, Inc.(DCI) , wants a regression model which predicts the average collection period on credit sales.Her data set includes two qualitative variables: sales discount rates (0%, 2%, 4%, and 6%) , and total assets of credit customers (small, medium, and large) .The number of dummy variables needed for "sales discount rate" in Yvonne's regression model is ________.
Nutritional Needs
The essential vitamins, minerals, and other nutrients required by the body to maintain health and proper functioning.
Vitamins A
Vitamin A refers to a group of fat-soluble retinoids, including retinol, retinal, and retinyl esters, which are essential for vision, immune function, and skin health.
Iron Intake
The consumption of iron, an essential mineral necessary for the production of hemoglobin and overall health, through diet or supplements.
Nutritional Outcomes
The results or effects of dietary habits and food intake on the body's health and well-being.
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