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DATE: 02/10/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 12:21:48                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              221/Taylor                                                VRSN:      P
                                                        221-905/Trent ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A                1,079,816        1.0355             1,042,797                7               72
           2           A                1,073,937        1.0365             1,036,119                6               38
           3           A                1,086,044        1.0624             1,022,255                8               26
           4           A                1,049,703        1.0728               978,470                5               14
           5           D3               4,526,406        1.0322             4,385,202               15              905
           6           G1               8,235,081        0.8915             9,237,331               18              112
  RANDOM TOTALS:                       17,050,987                          17,702,174               59            1,167
  CATG J  EXCEPTION VALUES:             6,680,771                           6,902,953
  CATG D1 EXCEPTION VALUES:             6,406,007                           6,477,638
 TOTAL TEST VALUES (4):                30,137,765                          31,082,765
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                 1,554,138
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                  29,528,627 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                   30,137,765 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                  32,636,903 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  109,353,842 (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