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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:40:39                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              234/Van Zandt                                             VRSN:      W
                                                        234-903/Edgewood ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               17,650,292        0.9755            18,093,585              11              331         .075042428
      2           A               17,676,330        0.8411            21,015,729              10              203         .027970110
      3           A               17,449,114        0.8612            20,261,396               9              150         .039196934
      4           A               17,553,619        0.9552            18,376,904               9               98         .046966787
      5           D3              74,909,630        0.9972            75,119,966              35            2,838         .034325676
      6           G1              21,354,924        0.9619            22,200,773               5                9         .000655261
  RANDOM TOTALS:                 166,593,909                         175,068,353              79            3,629
  CATG J  EXCEPTION VALUES:        8,629,967                           9,306,853
  CATG D1 EXCEPTION VALUES:        4,536,120                           2,757,593
 TOTAL TEST VALUES (4):          179,759,996                         187,132,799
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:            9,356,640
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            177,776,159 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             179,759,996 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            196,489,439 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             167,546,368 (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