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Author Question: The most useful tool to identify the trend component of a time series is A) moving averages. B) ... (Read 238 times)

serike

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on: Jun 24, 2018
The most useful tool to identify the trend component of a time series is
 
  A) moving averages.
  B) exponential smoothing.
  C) regression analysis.
  D) the MAD approach.

Question 2

A company has developed a linear trend regression model based on 16 quarters of data. The independent variable is the measure of time (t = 1 thru 16 where quarter 1 is winter quarter, 2 is spring, etc.).
 
  The company has also developed seasonal indexes for each quarter as follows:
 
  Winter Spring Summer Fall
  1.20 1.00 0.70 1.10
 
  The linear trend forecast equation is: y= 120 + 56t.
  Given this information, what is the seasonally unadjusted forecast for period 19?
  A) 1,064
  B) 1,184
  C) 828.80
  D) 986.7


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Sophiapenny

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

C

Answer to Question 2

B


serike

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Reply 2 on: Jun 24, 2018
Wow, this really help

bigsis44

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Reply 3 on: Yesterday
Excellent

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