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DATE: 06/22/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:12:55                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              146/Liberty                                               VRSN:      W
                                                        146-907/Tarkington ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A               39,033,612        1.0220            38,193,358               15            1,026
           2           A               39,024,644        1.0004            39,009,040               15              577
           3           A               39,008,548        0.9366            41,649,101               15              404
           4           A               38,895,228        0.9546            40,745,053               15              260
           5           C               21,302,850        1.0023            21,253,966               20            6,786
           6           D3              47,319,290        0.9978            47,423,622               28            3,415
  RANDOM TOTALS:                      224,584,172                         228,274,140              108           12,468
  CATG J  EXCEPTION VALUES:            10,344,594                          10,523,732
  CATG D1 EXCEPTION VALUES:            24,404,730                          17,863,088
 TOTAL TEST VALUES (4):               259,333,496                         256,660,960
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                12,833,048
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                 243,827,912 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                  259,333,496 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                 269,494,008 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  269,899,523 (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