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DATE: 02/10/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 12:12:32                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              147/Limestone                                             VRSN:      P
                                                        147-901/Coolidge ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A                1,823,538        0.8555             2,131,546               17              133
           2           A                1,833,002        0.8999             2,036,895               15               73
           3           A                1,842,038        1.0686             1,723,786               13               52
           4           A                1,793,305        1.1639             1,540,772               11               23
           5           D3               6,873,915        0.9880             6,957,404               20            1,278
  RANDOM TOTALS:                       14,165,798                          14,390,403               76            1,559
  CATG J  EXCEPTION VALUES:             2,142,689                           2,255,276
  CATG D1 EXCEPTION VALUES:             4,613,050                           4,435,163
 TOTAL TEST VALUES (4):                20,921,537                          21,080,842
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                 1,054,042
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                  20,026,800 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                   20,921,537 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                  22,134,884 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                   22,588,593 (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