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DATE: 06/22/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:19:11                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              196/Refugio                                               VRSN:      W
                                                        196-901/Austwell-Tivoli ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           D3               5,358,760        0.9542             5,615,971               12            1,363
           2           G1             133,717,060        1.0058           132,945,973                8               65
  RANDOM TOTALS:                      139,075,820                         138,561,944               20            1,428
  CATG J  EXCEPTION VALUES:            13,564,980                          12,547,990
  CATG D1 EXCEPTION VALUES:            15,515,270                          16,764,699
  CATG G1 EXCEPTION VALUES:           109,258,930                         121,037,234
 TOTAL TEST VALUES (4):               277,415,000                         288,911,867
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                14,445,593
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                 274,466,274 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                  277,415,000 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                 303,357,460 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  306,581,119 (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