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DATE: 02/10/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 12:09:46                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              125/Jim Wells                                             VRSN:      P
                                                        125-902/Ben Bolt-Palito Blanco IS
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         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A                  763,977        0.9074               841,941                7               63
           2           A                  765,043        0.9507               804,715                6               29
           3           A                  778,272        0.8829               881,495                6               17
           4           A                  713,182        0.9699               735,315                4                8
           5           D3              19,079,580        0.9751            19,566,793               10            1,954
           6           G1               3,376,808        0.9966             3,388,328                6               25
  RANDOM TOTALS:                       25,476,862                          26,218,587               39            2,096
  CATG J  EXCEPTION VALUES:             2,319,959                           2,454,518
  CATG D1 EXCEPTION VALUES:             9,228,927                           9,362,336
  CATG G1 EXCEPTION VALUES:               263,862                             316,997
 TOTAL TEST VALUES (4):                37,289,610                          38,352,438
 MARGIN OF ERROR PERCENT:               5.0000003
 MARGIN OF ERROR VALUE:                 1,917,622
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                  36,434,816 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                   37,289,610 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                  40,270,060 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                   42,234,801 (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