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DATE: 06/22/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:03:21                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              086/Gillespie                                             VRSN:      W
                                                        086-901/Fredericksburg ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A              161,351,143        0.9571           168,583,370               40            1,758
           2           A              161,287,596        0.9514           169,526,588               57            1,158
           3           A              161,287,231        1.0090           159,848,594               63              837
           4           A              161,096,586        0.9625           167,373,076               48              540
           5           D3             460,836,044        0.9562           481,945,246               65          465,183
           6           F1              52,467,395        1.0384            50,527,152                7              306
           7           F1              52,913,065        1.0004            52,891,908                7              130
           8           F1              52,470,491        0.9796            53,563,180                7               62
           9           F1              51,806,320        1.0215            50,715,928                6               24
  RANDOM TOTALS:                    1,315,515,871                       1,354,975,042              300          469,998
  CATG D1 EXCEPTION VALUES:            32,550,330                          31,181,739
 TOTAL TEST VALUES (4):             1,348,066,201                       1,386,156,781
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                69,307,839
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:               1,316,848,942 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                1,348,066,201 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:               1,455,464,620 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                1,316,438,986 (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