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DATE: 02/10/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 12:22:46                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              228/Trinity                                               VRSN:      P
                                                        228-905/Apple Springs ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A                1,540,254        1.1167             1,379,291               15               94
           2           A                1,520,775        0.8448             1,800,160               15               57
           3           A                1,554,607        1.0128             1,534,960               14               39
           4           A                1,467,931        0.9124             1,608,868               11               20
           5           D3               9,634,952        0.9343            10,312,482               22            1,658
  RANDOM TOTALS:                       15,718,519                          16,635,761               77            1,868
  CATG J  EXCEPTION VALUES:             1,071,530                           1,167,185
  CATG D1 EXCEPTION VALUES:            13,497,944                          11,773,054
 TOTAL TEST VALUES (4):                30,287,993                          29,576,000
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                 1,478,800
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                  28,097,200 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                   30,287,993 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                  31,054,800 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                   26,934,163 (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