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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:34:58                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              015/Bexar                                                 VRSN:      W
                                                        015-908/South San Antonio ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A              122,107,141        0.9521           128,250,332              22            2,933         .076443614
      2           A              120,596,413        0.8981           134,279,493              22            2,227         .082336311
      3           A              120,550,436        0.9844           122,460,825              42            1,894         .032931585
      4           A              120,421,161        1.0063           119,667,257              47            1,399         .011720563
      5           F1              48,447,337        0.9107            53,197,910               7              213         .003726918
      6           F1              48,088,525        0.9557            50,317,594               7               37         .011582107
      7           F1              51,292,806        0.9249            55,457,678               5               13         .005487505
      8           F1              44,409,994        0.9760            45,502,043               5                6         .004791102
      9           L1              33,563,018        1.0124            33,151,934               8              251         .035933797
     10           L1              32,524,647        1.0038            32,401,521               6               26         .003732099
     11           L1              33,396,395        1.0475            31,882,000               4                9         .014074089
     12           L1              32,211,766        1.0193            31,601,850               3                5         .001919010
  RANDOM TOTALS:                 807,609,639                         838,170,437             178            9,013
  CATG D1 EXCEPTION VALUES:          227,210                             433,549
 TOTAL TEST VALUES (4):          807,836,849                         838,603,986
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:           41,930,199
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            796,673,787 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             807,836,849 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            880,534,185 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             871,639,332 (SEE ISD SUMMARY WORKSHEET)

 SOURCES:
 (1) SEE STRATIFIED CATEGORY WORKSHEET REPORTS PTS236, PTS430
 (2) NUMBER OF PARCELS SAMPLED BY STAFF
 (3) TOTAL CATEGORY PARCELS FROM STRATIFICATION REPORT APPRAISAL ROLL, OR SELF-REPORT
 (4) INCLUDES ANY PARCELS IN A, B, C, D3, F1, G1, G2,OR L1 MARKED AS EXCEPTION PROPERTIES
 (5) UNSTUDIED CATEGORIES AND SUB-CATEGORIES WERE NOT INCLUDED IN THE CONFIDENCE INTERVAL VALUES