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DATE: 06/22/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:16:15                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              174/Nacogdoches                                           VRSN:      W
                                                        174-903/Garrison ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A                6,887,284        0.9198             7,487,806                7              235
           2           A                6,922,461        0.8916             7,764,088                8              132
           3           A                6,950,638        1.0014             6,940,921                8               88
           4           A                6,855,946        1.0121             6,773,981                7               52
           5           D3              28,809,570        1.1251            25,606,231               20            1,863
           6           G1              50,710,530        1.0154            49,941,432               20              175
  RANDOM TOTALS:                      107,136,429                         104,514,459               70            2,545
  CATG J  EXCEPTION VALUES:             6,735,976                           6,784,833
  CATG D1 EXCEPTION VALUES:            11,019,400                           7,908,087
 TOTAL TEST VALUES (4):               124,891,805                         119,207,379
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                 5,960,369
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                 113,247,010 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                  124,891,805 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                 125,167,748 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  128,504,629 (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