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DATE: 06/22/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:18:05                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              184/Parker                                                VRSN:      W
                                                        184-907/Aledo ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A              184,289,280        0.9747           189,072,822               11            1,408
           2           A              184,376,767        0.9621           191,639,920               13              914
           3           A              184,270,201        1.0124           182,013,237               12              640
           4           A              184,409,331        1.0067           183,182,012               12              413
           5           D3             182,216,840        0.9687           188,104,511               15            2,975
  RANDOM TOTALS:                      919,562,419                         934,012,502               63            6,350
  CATG D1 EXCEPTION VALUES:             5,540,750                           3,786,829
 TOTAL TEST VALUES (4):               925,103,169                         937,799,331
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                46,889,967
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                 890,909,364 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                  925,103,169 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                 984,689,298 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                1,038,085,917 (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