« previous next »

Author Question: Autoregressive models a. use the average of the most recent data values in the time series as the ... (Read 98 times)

magmichele12

  • Hero Member
  • *****
  • Posts: 559
on: Jun 24, 2018
Autoregressive models
 a. use the average of the most recent data values in the time series as the forecast for the next period.
  b. are used to smooth out random fluctuations in time series.
  c. relate a time series to other variables that are believed to explain or cause its behavior.
  d. occur whenever all the independent variables are previous values of the time series.

Question 2

Natalie needs to compare the number of employees by job title for the last five years. Which of the following charts should Natalie use?
 a. scatter chart
 
  b. bubble chart
 
  c. clustered-column (bar) chart
  d. line chart


laurnthompson

  • Sr. Member
  • ****
  • Posts: 334
Reply #1 on: Jun 24, 2018
Answer to Question 1

d
RATIONALE: Autoregressive models occur whenever all the independent variables are previous values of the time series.

Answer to Question 2

c
RATIONALE: A clustered-column (bar) chart is a special type of column (bar) chart in which multiple bars are clustered in the same class to compare multiple variables.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Did you know?

There are more bacteria in your mouth than there are people in the world.

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.

Hokusai, The Great Wave off Kanagawa, from the series Thirty-Six Views of Mount Fuji. Hokusai, The Great Wave off Kanagawa, from the series Thirty-Six Views of Mount Fuji.
Serum Values for Thyroid Function Tests Serum Values for Thyroid Function Tests
How to create a frequency table and histogram from raw data How to create a frequency table and histogram from raw data
Data for Calculating Productivity Growth in Erewhon Data for Calculating Productivity Growth in Erewhon
Physics: Power, Energy and Time Physics: Power, Energy and Time
The TaqMan approach to quantitative real-time PCR (qPCR) The TaqMan approach to quantitative real-time PCR (qPCR)
Video: Type of Transport - Active and Passive Processes

For a complete list of videos, visit our video library