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Unformatted text preview: Lecture 7 1. Regression example: Minnesota 8th grade math tests from 2000 2. Log transformations 3. Trimming data to remove horizontal outliers 1 Linear Regression Example: Minnesota 8th-grade math scores, 2000 Each year, eighth grade students in Minnesota take reading and math tests. Department of Children, Families, and Learning posts school average scores with characteristics at the school level. In 2000, passing score for math was 50 correct of 68 questions. 2 In 2000, Department of Children, Families, and Learning released these school-level characteristics: • district school district number • school ID number • LEP_pct percent of students with Limited English Proficiency • Special_Ed_pct percent of students in Special Education • free_lunch_pct percent of students receiving free or reduced-price lunch • mobility_pct mobility index (percent) • drop_out_pct percent of students dropping out of school • total_8th_graders total eighth grade enrollment • total_students...
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This note was uploaded on 11/21/2011 for the course PUBH 6470 taught by Professor Williamthomas during the Fall '11 term at University of Florida.
- Fall '11