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DATE: 02/10/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 12:03:00                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              086/Gillespie                                             VRSN:      P
                                                        086-902/Harper ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A                4,875,653        1.1944             4,082,094                7              112
           2           A                4,860,471        0.9413             5,163,573                7               67
           3           A                4,927,818        0.9039             5,451,729                6               47
           4           A                4,797,265        1.1255             4,262,341                6               31
           5           D3             171,593,642        0.9304           184,429,968               47          239,123
  RANDOM TOTALS:                      191,054,849                         203,389,705               73          239,380
  CATG D1 EXCEPTION VALUES:            13,860,810                          13,365,102
 TOTAL TEST VALUES (4):               204,915,659                         216,754,807
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                10,837,740
 CONFIDENCE INTERVAL VALUES (5):
   LOCAL TEST VALUE:                  204,915,659 (OUTSIDE CONFIDENCE INTERVAL)
   STATE LOWER LIMIT:                 205,917,067 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   STATE UPPER LIMIT:                 227,592,547 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  186,324,716 (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