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DATE: 02/10/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 12:06:30                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              107/Henderson                                             VRSN:      P
                                                        107-907/Trinidad ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A                2,617,715        0.9454             2,768,897                7              127
           2           A                2,650,340        0.9335             2,839,143                8               78
           3           A                2,591,004        1.1013             2,352,678                7               51
           4           A                2,636,589        1.0095             2,611,777                6               34
           5           D3               1,688,670        0.8740             1,932,117               11              159
           6           G1               2,234,060        0.9994             2,235,401                5                9
  RANDOM TOTALS:                       14,418,378                          14,740,013               44              458
  CATG J  EXCEPTION VALUES:            10,329,290                          11,110,330
  CATG D1 EXCEPTION VALUES:               584,730                             539,091
  CATG G1 EXCEPTION VALUES:             5,627,210                           5,456,304
 TOTAL TEST VALUES (4):                30,959,608                          31,845,738
 MARGIN OF ERROR PERCENT:               5.0000003
 MARGIN OF ERROR VALUE:                 1,592,287
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                  30,253,451 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                   30,959,608 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                  33,438,025 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                   36,916,634 (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