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DATE: 06/22/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:21:51                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              220/Tarrant                                               VRSN:      W
                                                        220-910/Lake Worth ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A               56,038,368        1.0399            53,888,228                9              935
           2           A               56,011,084        1.0181            55,015,307               13              643
           3           A               55,959,314        1.0134            55,219,374               24              510
           4           A               55,998,763        1.0180            55,008,608               42              368
           5           B               38,904,061        0.9145            42,541,346                3                4
           6           F1              30,202,844        0.8950            33,746,194                9               88
           7           F1              31,863,305        0.8471            37,614,573                8               26
           8           F1              28,865,866        0.8979            32,148,197                6                8
           9           F1              30,357,471        0.9890            30,695,117                3                4
          10           L1              12,940,314        1.1040            11,721,299                7              151
          11           L1              13,777,365        1.0925            12,610,860                7               23
          12           L1              15,777,822        1.0205            15,460,874                3                4
  RANDOM TOTALS:                      426,696,577                         435,669,977              134            2,764
  CATG D1 EXCEPTION VALUES:                20,751                              19,829
  CATG B  EXCEPTION VALUES:            20,195,674                          22,509,000
  CATG L1 EXCEPTION VALUES:             9,004,384                           8,501,248
 TOTAL TEST VALUES (4):               455,917,386                         466,700,054
 MARGIN OF ERROR PERCENT:               5.0000001
 MARGIN OF ERROR VALUE:                23,335,003
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                 443,365,051 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                  455,917,386 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                 490,035,057 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  479,363,423 (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