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Projections of Education Statistics to 2011
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Table A1.11-Number of years, projection methods, and smoothing constants used to project public school enrollments and high school graduates, by state
Projected state variable Number of years
(1970-1999)
Projection method Smoothing constant Choice of smoothing constant
Grade progression rates 30 Single exponential smoothing 0.4 Empirical research
Graduates/grade 12 enrollment 30 Single exponential smoothing 0.4 Empirical research
SOURCE: U.S. Department of Education, National Center for Education Statistics, State Public Elementary and Secondary Enrollment Model, and State Public High School Graduates Model. (This table was prepared June 2001.)

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National Center for Education Statistics - http://nces.ed.gov
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