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DATE: 06/22/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:04:27                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              093/Grimes                                                VRSN:      W
                                                        093-904/Navasota ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A               48,057,122        0.9886            48,611,291               13            1,349
           2           A               47,975,092        0.9796            48,974,165               12              738
           3           A               48,036,447        0.9928            48,384,818               20              499
           4           A               47,981,464        0.9634            49,804,301                9              300
           5           D3             144,968,743        0.9615           150,773,524               26            6,535
           6           F1              11,068,647        0.9940            11,135,460                8              184
           7           F1              11,093,376        1.0260            10,812,257                7               59
           8           F1              11,538,544        0.9419            12,250,286                6               23
           9           F1              10,289,216        0.9342            11,013,933                5                8
          10           G1              59,424,110        1.0436            56,941,462               20              146
  RANDOM TOTALS:                      440,432,761                         448,701,497              126            9,841
  CATG J  EXCEPTION VALUES:            42,245,208                          43,179,362
  CATG D1 EXCEPTION VALUES:            19,787,400                          19,534,043
 TOTAL TEST VALUES (4):               502,465,369                         511,414,902
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                25,570,745
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                 485,844,157 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                  502,465,369 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                 536,985,647 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  714,123,310 (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