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DATE: 02/10/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 12:05:14                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              101/Harris                                                VRSN:      P
                                                        101-910/Galena Park ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A              348,428,608        0.9487           367,269,535               50            6,189
           2           A              348,813,615        0.9836           354,629,539               50            4,217
           3           A              347,528,214        0.9821           353,862,350               50            3,387
           4           A              348,023,323        1.0092           344,850,697               48            2,205
           5           B               35,151,412        0.8480            41,452,137               12               63
           6           B               32,949,078        1.0130            32,526,237                3                7
           7           B               31,696,444        0.8718            36,357,472                3                5
           8           F1              67,971,655        1.0159            66,907,821                7              407
           9           F1              68,802,217        0.9728            70,725,963                7               77
          10           F1              67,041,874        0.9069            73,924,219                6               22
          11           F1              67,515,063        1.0196            66,217,206                4                6
          12           L1              66,203,156        0.9678            68,405,824                7              762
          13           L1              66,117,861        0.9085            72,776,952                9               99
          14           L1              70,891,266        0.9423            75,232,162                7               22
          15           L1              60,970,018        0.8029            75,937,250                5                6
  RANDOM TOTALS:                    2,028,103,804                       2,101,075,364              268           17,474
  CATG D1 EXCEPTION VALUES:               184,010                             182,744
  CATG B  EXCEPTION VALUES:            35,996,760                          39,485,341
 TOTAL TEST VALUES (4):             2,064,284,574                       2,140,743,449
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:               107,037,172
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:               2,033,706,277 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                2,064,284,574 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:               2,247,780,621 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                3,687,715,180 (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