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DATE: 06/22/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:00:25                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              065/Donley                                                VRSN:      W
                                                        065-902/Hedley ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A                  773,069        0.9472               816,162                7               77
           2           A                  783,688        0.8774               893,194                7               46
           3           A                  786,716        0.9606               818,984                6               22
           4           A                  736,045        1.0599               694,448                6               11
           5           D3               4,951,696        0.9243             5,357,239               20              819
  RANDOM TOTALS:                        8,031,214                           8,580,027               46              975
  CATG J  EXCEPTION VALUES:             4,412,401                           4,563,887
  CATG D1 EXCEPTION VALUES:             7,551,040                           7,520,230
 TOTAL TEST VALUES (4):                19,994,655                          20,664,144
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                 1,033,207
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                  19,630,937 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                   19,994,655 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                  21,697,351 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                   23,442,379 (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