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Projections of Education Statistics to 2020

NCES 2011-026
September 2011


Table A-4.  Example of constructing mean absolute percentage errors, part 2

Source Lead time
1 2 3 4
         
  Absolute value of percentage difference between actual and projected values
 
Projections of Education Statistics to 2016 0.2 0.1 0.6 1.1
Projections of Education Statistics to 2017 0.3 0.7 1.1
Projections of Education Statistics to 2018 0.4 0.7
Projections of Education Statistics to 2019 #
         
  Mean absolute percentage error
         
Example 0.2 0.5 0.9 1.1
† Not applicable.
# Rounds to zero.
NOTE: The mean absolute percentage errors presented on this table are for illustrative purpose only.
SOURCE: U.S. Department of Education, National Center for Education Statistics, Common Core of Data (CCD), “State Nonfiscal Survey of Public Elementary/Secondary Education,” 2005–06 through 2008–09; and Projections of Education Statistics, various editions. (This table was prepared January 2011.)

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