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DATE: 02/10/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 12:18:20                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              188/Potter                                                VRSN:      P
                                                        188-904/Bushland ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A               42,508,260        0.9920            42,851,069                9              452
           2           A               42,579,966        1.0261            41,496,897               11              275
           3           A               42,597,060        1.0310            41,316,256                9              202
           4           A               42,043,532        1.0245            41,038,099               10              108
           5           F1              23,967,553        0.9691            24,731,765                8               74
           6           F1              25,223,103        0.9798            25,743,114                5               18
           7           F1              27,646,538        0.9545            28,964,419                4                9
           8           G1              80,682,410        1.0393            77,631,492               25              465
           9           L1              53,860,723        1.0318            52,200,739                7              121
          10           L1              63,252,949        0.9925            63,730,931                5               18
  RANDOM TOTALS:                      444,362,094                         439,704,781               93            1,742
  CATG J  EXCEPTION VALUES:            34,991,857                          34,272,792
  CATG D1 EXCEPTION VALUES:            11,729,396                          14,601,575
  CATG F1 EXCEPTION VALUES:            12,794,164                          13,304,814
  CATG L1 EXCEPTION VALUES:             4,000,000                           4,000,000
 TOTAL TEST VALUES (4):               507,877,511                         505,883,962
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                25,294,198
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                 480,589,764 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                  507,877,511 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                 531,178,160 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  556,520,328 (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