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DATE: 02/10/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 12:06:34                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              107/Henderson                                             VRSN:      P
                                                        107-910/La Poynor ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A                5,160,529        0.9867             5,230,089                7              137
           2           A                5,240,259        1.0054             5,212,114                7               85
           3           A                5,117,674        0.9677             5,288,492                7               55
           4           A                5,182,577        1.0010             5,177,400                7               33
           5           D3              52,554,900        1.0340            50,826,789               55            2,425
  RANDOM TOTALS:                       73,255,939                          71,734,884               83            2,735
  CATG D1 EXCEPTION VALUES:             8,802,320                           7,113,016
  CATG G1 EXCEPTION VALUES:            23,312,900                          23,539,724
 TOTAL TEST VALUES (4):               105,371,159                         102,387,624
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                 5,119,381
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                  97,268,243 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                  105,371,159 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                 107,507,005 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  296,342,658 (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