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DATE: 06/22/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:18:57                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              193/Real                                                  VRSN:      W
                                                        193-902/Leakey ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A               13,999,963        0.8137            17,205,313               10              452
           2           A               13,981,951        0.9823            14,233,891                8              242
           3           A               14,060,248        0.9605            14,638,467                8              161
           4           A               13,939,095        0.9927            14,041,599                8              100
           5           C                5,149,638        0.8396             6,133,442                8              535
           6           C                5,149,886        0.9886             5,209,272                8              274
           7           C                5,123,788        0.9241             5,544,625                8              167
           8           C                5,142,154        1.0228             5,027,526                8               87
           9           D3              25,446,449        1.0389            24,493,646               24            2,300
          10           F1               2,186,867        1.0194             2,145,249                6               44
          11           F1               2,253,359        0.9803             2,298,642                5               17
          12           F1               2,161,181        1.0513             2,055,722                4                8
          13           F1               1,933,349        1.0098             1,914,586                3                4
  RANDOM TOTALS:                      110,527,928                         114,941,980              108            4,391
  CATG J  EXCEPTION VALUES:             1,128,230                           1,172,208
  CATG D1 EXCEPTION VALUES:            13,765,071                          14,367,170
 TOTAL TEST VALUES (4):               125,421,229                         130,481,358
 MARGIN OF ERROR PERCENT:               5.0000001
 MARGIN OF ERROR VALUE:                 6,524,068
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                 123,957,290 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                  125,421,229 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                 137,005,426 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  131,174,615 (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