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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:25:21                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              247/Wilson                                                VRSN:      W
                                                        247-906/Stockdale ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               11,140,459        1.0233            10,886,797               8              332         .012415409
      2           A               11,078,768        0.9715            11,403,776               8              177         .019142397
      3           A               11,119,507        0.9847            11,292,279               8              124         .003928013
      4           A               11,038,617        0.9649            11,440,167               7               76         .003863331
      5           D3              51,455,160        0.9153            56,216,716              21            2,496         .036241902
  RANDOM TOTALS:                  95,832,511                         101,239,735              52            3,205
  CATG J  EXCEPTION VALUES:        5,002,211                           4,857,962
  CATG D1 EXCEPTION VALUES:       10,323,962                           9,740,278
 TOTAL TEST VALUES (4):          111,158,684                         115,837,975
 MARGIN OF ERROR PERCENT:          5.0000002
 MARGIN OF ERROR VALUE:            5,791,899
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            110,046,076 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             111,158,684 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            121,629,874 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             117,757,869 (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