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NAEP Analysis and Scaling → Scale Linking and Transformation to the Reporting Metric → The Transformation Equation → Comparisons of Distributions of Linking Samples for NAEP Assessments → Comparison means and percentiles of 1996 scores and 1996 transformed provisional scores, grade 12 mathematics assessment: 2000
| Scale | Statistic | Original 1996 estimate | 1996 transformed provisional estimate | Difference between the provisional estimate and the original estimate |
|---|---|---|---|---|
| Composite scale | Mean | 304.04 | 304.04 | 0.00 |
| 10th percentile | 261.19 | 260.97 | -0.22 | |
| 25th percentile | 282.17 | 281.79 | -0.38 | |
| 50th percentile | 305.26 | 304.69 | -0.57 | |
| 75th percentile | 327.02 | 327.22 | 0.20 | |
| 90th percentile | 344.53 | 345.58 | 1.05 | |
| Number sense, properties, and operations | Mean | 301.12 | 301.12 | 0.00 |
| 10th percentile | 258.13 | 258.30 | 0.18 | |
| 25th percentile | 278.83 | 278.60 | -0.23 | |
| 50th percentile | 301.68 | 301.59 | -0.09 | |
| 75th percentile | 324.17 | 324.01 | -0.16 | |
| 90th percentile | 342.66 | 343.09 | 0.43 | |
| Measurement | Mean | 302.03 | 302.03 | 0.00 |
| 10th percentile | 253.69 | 253.38 | -0.31 | |
| 25th percentile | 277.64 | 277.88 | 0.24 | |
| 50th percentile | 304.19 | 304.23 | 0.04 | |
| 75th percentile | 327.80 | 327.64 | -0.16 | |
| 90th percentile | 347.21 | 347.31 | 0.10 | |
| Geometry and spatial sense | Mean | 306.88 | 306.88 | 0.00 |
| 10th percentile | 261.31 | 260.76 | -0.55 | |
| 25th percentile | 283.48 | 283.59 | 0.11 | |
| 50th percentile | 308.07 | 308.08 | 0.01 | |
| 75th percentile | 331.92 | 331.70 | -0.23 | |
| 90th percentile | 350.45 | 350.36 | -0.09 | |
| Data analysis, statistics, and probability | Mean | 304.14 | 304.14 | 0.00 |
| 10th percentile | 258.92 | 258.74 | -0.18 | |
| 25th percentile | 282.50 | 282.17 | -0.33 | |
| 50th percentile | 306.63 | 306.43 | -0.19 | |
| 75th percentile | 327.24 | 328.21 | 0.97 | |
| 90th percentile | 345.37 | 345.74 | 0.37 | |
| SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2000 Mathematics Assessment. | ||||
Last updated 24 March 2008 (GF)
