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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:06:41                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              160/McCulloch                                             VRSN:      W
                                                        160-901/Brady ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               22,824,382        0.9662            23,622,834              19              985         .087120056
      2           A               22,791,254        0.8939            25,496,425              11              523         .063805113
      3           A               22,808,247        0.8507            26,811,152              15              304         .047031538
      4           A               22,755,658        0.8955            25,411,120               9              179         .025561228
      5           D3              26,522,170        0.8503            31,191,544              23            3,594         .099579523
      6           F1               5,999,319        0.8895             6,744,597               7              141         .032203296
      7           F1               5,959,915        0.9444             6,310,795               6               58         .012121245
      8           F1               6,013,770        0.8683             6,925,913               5               24         .013871916
      9           F1               5,744,841        1.0408             5,519,640               4                8         .002745322
     10           L1              18,820,970        0.9953            18,909,846              10              502         .000346882
  RANDOM TOTALS:                 160,240,526                         176,943,866             109            6,318
  CATG J  EXCEPTION VALUES:        6,757,050                           4,690,130
  CATG D1 EXCEPTION VALUES:       24,842,150                          24,303,630
 TOTAL TEST VALUES (4):          191,839,726                         205,937,626
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:           10,296,881
 CONFIDENCE INTERVAL VALUES (5):
   LOCAL TEST VALUE:             191,839,726 (OUTSIDE CONFIDENCE INTERVAL)
   STATE LOWER LIMIT:            195,640,745 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   STATE UPPER LIMIT:            216,234,507 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             218,644,785 (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