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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:00:18                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              036/Chambers                                              VRSN:      W
                                                        036-901/Anahuac ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               32,921,377        0.9719            33,873,214              13              980         .049735753
      2           A               32,920,820        0.9722            33,862,189              18              453         .045620956
      3           A               32,894,136        0.9819            33,500,495              13              271         .035551596
      4           A               32,884,466        1.1235            29,269,663               9              159         .089292616
      5           D3              36,476,600        0.9672            37,713,606              21            6,134         .184874671
      6           G1              15,532,295        1.0274            15,118,060               5               25         .003671110
      7           G1              17,466,694        1.0258            17,027,387               3                6         .000702322
  RANDOM TOTALS:                 201,096,388                         200,364,614              82            8,028
  CATG J  EXCEPTION VALUES:        9,343,580                           9,193,353
  CATG D1 EXCEPTION VALUES:       15,293,800                          14,793,496
  CATG G1 EXCEPTION VALUES:       40,172,986                          39,329,130
 TOTAL TEST VALUES (4):          265,906,754                         263,680,593
 MARGIN OF ERROR PERCENT:          5.0000001
 MARGIN OF ERROR VALUE:           13,184,030
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            250,496,563 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             265,906,754 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            276,864,623 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             274,704,031 (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