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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:55:34                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              109/Hill                                                  VRSN:      W
                                                        109-904/Hillsboro ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               37,334,962        1.1212            33,299,110              18            1,155         .096731691
      2           A               37,319,985        0.9505            39,263,530              19              570         .037385237
      3           A               37,315,365        1.0151            36,760,285              21              371         .046478207
      4           A               37,252,431        1.0744            34,672,776              18              219         .036007836
      5           D3              42,410,344        1.0766            39,392,852              22            2,370         .099123072
      6           F1              25,531,032        0.8421            30,318,290               8              190         .307985325
      7           F1              25,575,831        1.1354            22,525,833               6               34         .036597198
      8           F1              24,744,954        0.9483            26,094,015               5               12         .056644860
      9           L1              13,944,669        1.0413            13,391,596               8              198         .003575436
     10           L1              13,991,558        1.0114            13,833,852               7               59         .008155172
     11           L1              15,261,580        1.0100            15,110,475               5               16         .001154841
     12           L1              12,207,383        1.0468            11,661,619               2                3         .000013188
  RANDOM TOTALS:                 322,890,094                         316,324,233             139            5,197
  CATG J  EXCEPTION VALUES:       21,505,134                          21,579,045
  CATG D1 EXCEPTION VALUES:        9,209,760                           8,652,411
  CATG F1 EXCEPTION VALUES:       22,917,020                          23,414,758
 TOTAL TEST VALUES (4):          376,522,008                         369,970,447
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:           18,498,522
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            351,471,925 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             376,522,008 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            388,468,969 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             383,326,589 (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