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Education in States and Nations: 1991

(ESN) Table 25bx: Standard errors for averages and percentile scores in Table 25b

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                                         Percentile score
                  Average   ----------------------------------------------
              proficiency   5th   10th   25th  50th   75th  90th   95th
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Alabama               1.7   4.2    1.9    1.8   2.0    1.7   2.0    2.8
Arizona               1.3   2.1    1.6    1.3   1.9    1.2   1.3    1.4
Arkansas              1.2   2.9    1.6    1.2   1.2    1.6   1.6    1.7
California            1.7   3.0    2.7    2.6   1.8    1.7   2.5    3.8
Colorado              1.1   2.8    1.6    1.2   1.1    1.2   1.2    1.2
Connecticut           1.1   3.3    2.6    1.7   0.8    1.0   1.4    2.4
Delaware              1.0   3.1    1.8    0.9   1.3    1.5   1.4    1.9
District of Columbia  0.9   1.7    1.0    1.2   1.8    2.8   1.7    3.4
Florida               1.5   2.0    3.0    1.6   2.0    1.7   2.0    1.4
Georgia               1.2   1.9    1.5    1.5   1.3    2.1   1.5    1.8
Hawaii                0.9   2.7    1.5    1.0   1.6    1.0   1.3    1.6
Idaho                 0.8   2.1    1.1    0.9   1.2    0.8   1.1    1.8
Indiana               1.2   1.9    1.5    1.2   1.3    1.9   2.9    1.1
Iowa                  1.0   1.1    2.1    1.4   1.1    1.5   1.6    2.6
Kentucky              1.1   3.3    1.7    1.6   1.0    1.3   2.8    1.8
Louisiana             1.7   2.8    2.6    2.2   1.6    2.0   1.8    2.1
Maine                 1.0   1.8    2.3    1.2   1.1    1.7   1.3    2.6
Maryland              1.3   2.9    1.8    2.3   1.3    1.6   1.6    1.9
Massachusetts         1.1   2.4    1.4    2.2   2.0    1.6   1.7    2.3
Michigan              1.4   1.6    1.4    2.3   1.6    2.9   2.3    1.7
Minnesota             1.0   2.4    1.4    1.4   1.3    1.4   1.4    2.0
Mississippi           1.2   2.6    1.2    1.3   1.2    1.6   2.0    2.8
Missouri              1.2   1.8    2.9    1.8   1.4    1.6   1.3    2.2
Nebraska              1.1   1.8    1.7    1.2   1.4    1.0   1.6    3.5
New Hampshire         1.0   1.0    1.1    0.8   0.9    1.1   2.0    2.9
New Jersey            1.6   2.8    1.9    2.0   1.9    2.2   1.6    1.3
New Mexico            0.9   2.0    2.0    0.9   1.0    1.0   1.3    2.1
New York              2.1   6.5    3.1    2.8   1.8    1.4   2.4    1.5
North Carolina        1.2   3.1    2.6    1.3   1.2    1.4   1.5    2.5
North Dakota          1.2   2.3    1.2    1.4   1.0    1.4   1.7    1.2
Ohio                  1.5   2.9    1.9    2.0   1.6    1.4   1.5    1.8
Oklahoma              1.2   3.6    1.3    1.4   1.1    1.4   1.5    1.8
Pennsylvania          1.5   2.2    2.3    1.5   1.4    1.1   1.8    1.8
Rhode Island          0.7   1.5    1.2    1.1   1.2    1.7   1.1    0.9
South Carolina        1.0   1.6    1.3    1.1   1.2    1.7   1.5    1.8
Tennessee             1.4   3.5    2.1    1.5   1.6    1.4   1.5    2.8
Texas                 1.3   1.2    2.6    1.2   1.9    2.3   1.5    3.3
Utah                  0.7   1.3    1.2    1.7   0.8    1.2   1.2    1.8
Virginia              1.2   1.8    1.5    1.7   1.7    1.6   1.5    1.9
West Virginia         1.0   2.7    1.5    1.0   1.7    1.1   1.8    1.8
Wisconsin             1.5   3.8    2.6    2.1   1.5    1.5   1.4    1.9
Wyoming               0.9   1.1    1.0    1.2   1.2    1.2   1.1    2.6
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NOTE: The states of Alaska, Illinois, Kansas, Montana, Nevada, Oregon, South Dakota, Vermont, and Washington did not participate either year.

SOURCE: Educational Testing Service, IAEP/NAEP Cross-linking Study, 1993.



Standard Errors: Table 25ax Statistical Appendix