« previous next »

Author Question: Autoregressive models a. use the average of the most recent data values in the time series as the ... (Read 101 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?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Dimensions for gathering data Dimensions for gathering data
Attention and memory are in demand during circle time. Attention and memory are in demand during circle time.
Material Balance on Coolers in series Material Balance on Coolers in series
Use two hands to squeeze both sides of the arm at the same time. Apply from shoulder to wrist. ... Use two hands to squeeze both sides of the arm at the same time. Apply from shoulder to wrist. ...
A clock is showing the time as exactly 3:00 p.m. and 25 s. A clock is showing the time as exactly 3:00 p.m. and 25 s.
Physics - A Mixture of Series and Parallel Capacitance Physics - A Mixture of Series and Parallel Capacitance
Video: Complement Proteins Animation

For a complete list of videos, visit our video library