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Author Question: Which of the following describes a detrended' time series? a. It has a decreasing long-term trend ... (Read 47 times)

cnetterville

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Which of the following describes a detrended' time series?
 a. It has a decreasing long-term trend in it.
  b. It randomly fluctuates, sometimes with an increasing trend and sometimes with a decreasing trend.
  c. It has a long-term trend that was removed in order to look for other interesting features.
  d. All of the above.

Question 2

What type of statistical error is being made in the following statement? If this uphill linear trend continues, 50 years from now, one out of every three of us will be an Elvis impersonator..
 a. Extrapolation
  b. Exaggeration
  c. Overprediction
  d. Expectation



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mceravolo

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Answer to Question 1

C

Answer to Question 2

A





 

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