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DATE: 02/10/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 12:21:26                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              220/Tarrant                                               VRSN:      P
                                                        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               56,005,676        1.0399            53,856,790                9              935
           2           A               55,978,408        1.0181            54,983,212               13              643
           3           A               55,926,669        1.0134            55,187,161               24              510
           4           A               55,966,094        1.0180            54,976,517               42              368
           5           B               39,279,133        0.9145            42,951,485                3                4
           6           F1              30,170,709        0.8637            34,931,931               10               88
           7           F1              31,829,403        0.8471            37,574,552                8               26
           8           F1              28,835,153        0.8979            32,113,992                6                8
           9           F1              30,325,170        0.9890            30,662,457                3                4
          10           L1              13,179,481        1.1040            11,937,936                7              151
          11           L1              14,032,002        1.0925            12,843,938                7               23
          12           L1              16,069,432        1.0205            15,746,626                3                4
  RANDOM TOTALS:                      427,597,330                         437,766,597              135            2,764
  CATG D1 EXCEPTION VALUES:                18,943                              17,062
  CATG B  EXCEPTION VALUES:            21,925,674                          24,649,000
  CATG L1 EXCEPTION VALUES:             9,004,384                           8,501,248
 TOTAL TEST VALUES (4):               458,546,331                         470,933,907
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                23,546,695
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                 447,387,212 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                  458,546,331 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                 494,480,602 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  482,226,980 (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