Author Question: Briefly discuss what is meant by the dummy variable trap. What will be an ideal ... (Read 120 times)

geodog55

  • Hero Member
  • *****
  • Posts: 530
Briefly discuss what is meant by the dummy variable trap.
 
  What will be an ideal response?

Question 2

The inventory level that triggers an order is called the ________.
 
  A) lot size
  B) order quantity
  C) reorder point
  D) rate of return


aburgess

  • Sr. Member
  • ****
  • Posts: 361
Answer to Question 1

In general, k distinct regions or subsets can be identified uniquely with k -1 dummy variables. If we try to use k dummy variables to represent k distinct subsets, then a linear relationship between predictor variables will result, and estimation of coefficients will be impossible. This is sometimes referred to as the dummy variable trap.

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

For a complete list of videos, visit our video library