Consider the following time series data:   Month 1 2 3 4 5 6 7 Value 24 12 20 11 19 24 16     (a) Compute MSE using the most recent value as the forecast for the next period.   If required, round your answer to one decimal place.       What is the forecast for month 8?   If required, round your answer to one decimal place. Do not round intermediate calculation.     (b) Compute MSE using the average of all the data available as the forecast for the next period.   If required, round your answer to one decimal place. Do not round intermediate calculation.       What is the forecast for month 8?   If required, round your answer to one decimal place.     (c) Which method appears to provide the better forecast?   All Data average or Naiive

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter4: Linear Functions
Section4.3: Fitting Linear Models To Data
Problem 24SE: Table 6 shows the year and the number ofpeople unemployed in a particular city for several years....
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Consider the following time series data:

 

Month 1 2 3 4 5 6 7
Value 24 12 20 11 19 24 16

 

 

(a) Compute MSE using the most recent value as the forecast for the next period.
  If required, round your answer to one decimal place.
   
  What is the forecast for month 8?
  If required, round your answer to one decimal place. Do not round intermediate calculation.
   
(b) Compute MSE using the average of all the data available as the forecast for the next period.
  If required, round your answer to one decimal place. Do not round intermediate calculation.
   
  What is the forecast for month 8?
  If required, round your answer to one decimal place.
   
(c) Which method appears to provide the better forecast?
  All Data average or Naiive
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