This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Which of the following forecasting methods puts the least weight on the most recent time series ... (Read 106 times)

tsand2

  • Hero Member
  • *****
  • Posts: 520
on: Jun 24, 2018
Which of the following forecasting methods puts the least weight on the most recent time series value?
 a. exponential smoothing with  = .3
  b. exponential smoothing with  = .2
  c. moving average using the most recent 4 periods
  d. moving average using the most recent 3 periods

Question 2

Can a scatter diagram be used to explore the relationship between two nominal variables? Explain why or why not.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

peter

  • Sr. Member
  • ****
  • Posts: 330
Reply #1 on: Jun 24, 2018
Answer to Question 1

B

Answer to Question 2

No; scatter diagrams plot points of X and Y when both variables are interval variables. You cannot talk about a nominal variable increasing or decreasing.


tsand2

  • Member
  • Posts: 520
Reply 2 on: Jun 24, 2018
Wow, this really help

kswal303

  • Member
  • Posts: 316
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

Three Traditional Methods of Detecting Exoplanets Three Traditional Methods of Detecting Exoplanets
Time dependence of the rates of a chemical reaction Time dependence of the rates of a chemical reaction
Single-dose drug administration: pharmacokinetic values for this drug are as follows: onset of actio Single-dose drug administration: pharmacokinetic values for this drug are as follows: onset of actio
Various methods for palpation of breast Various methods for palpation of breast
Under what conditions can part-time employment in high school be a negative influence on school ... Under what conditions can part-time employment in high school be a negative influence on school ...
Jim Croce - Time in a bottle - 1973 Jim Croce - Time in a bottle - 1973
Video: Lipid digestion - mouth, stomach and small intestine

For a complete list of videos, visit our video library