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Author Question: Causal models a. provide evidence of a causal relationship between an independent variable and the ... (Read 191 times)

mpobi80

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on: Jun 24, 2018
Causal models
 a. provide evidence of a causal relationship between an independent variable and the variable to be forecast.
  b. use the average of the most recent data values in the time series as the forecast for the next period.
  c. occur whenever all the independent variables are previous values of the same time series.
  d. relate a time series to other variables that are believed to explain or cause its behavior.

Question 2

The ratio of the amount of ink used in a table or chart that is necessary to convey information to the total amount of ink used in the table and chart is known as data-ink ratio. Using additional ink that is not necessary to convey information has what effect on the data-ink ratio?
 a. reduces
 
  b. increases
 
  c. it doesn't change the data-ink ratio
  d. the data-ink ratio becomes zero


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stallen

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Reply #1 on: Jun 24, 2018
Answer to Question 1

d
RATIONALE: Causal models relate a time series to other variables that are believed to explain or cause its behavior.

Answer to Question 2

a
RATIONALE: Ink used that is not necessary to convey information reduces the data-ink ratio.


mpobi80

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Reply #2 on: Jun 24, 2018
Thank you :)


stallen

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Reply #3 on: Jun 24, 2018
Happy to help you


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