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DATE: 06/22/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:16:55                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              177/Nolan                                                 VRSN:      W
                                                        177-905/Highland ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           D3               6,762,125        0.9900             6,830,429               10              839
           2           G1              12,101,860        0.9139            13,241,996               13               58
  RANDOM TOTALS:                       18,863,985                          20,072,425               23              897
  CATG J  EXCEPTION VALUES:             3,003,960                           4,051,634
  CATG D1 EXCEPTION VALUES:             6,009,958                           6,501,555
  CATG G1 EXCEPTION VALUES:            12,043,220                          11,772,843
 TOTAL TEST VALUES (4):                39,921,123                          42,398,457
 MARGIN OF ERROR PERCENT:               5.0000004
 MARGIN OF ERROR VALUE:                 2,119,923
 CONFIDENCE INTERVAL VALUES (5):
   LOCAL TEST VALUE:                   39,921,123 (OUTSIDE CONFIDENCE INTERVAL)
   STATE LOWER LIMIT:                  40,278,534 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   STATE UPPER LIMIT:                  44,518,380 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                   71,223,274 (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