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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:43:24                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              057/Dallas                                                VRSN:      W
                                                        057-904/Cedar Hill ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A              418,934,297        0.9960           420,616,764              40            3,837         .012497472
      2           A              418,845,068        1.0036           417,342,635              42            3,088         .004189517
      3           A              419,239,180        1.0122           414,186,109              38            2,454         .002503298
      4           A              418,033,306        1.0313           405,345,977              44            1,248         .013505881
      5           C               34,862,967        1.1489            30,344,649               8              855         .022763018
      6           C               34,071,153        1.0125            33,650,521               7              483         .148797201
      7           C               34,571,399        1.0315            33,515,656              13              273         .023060843
      8           C               34,379,430        1.0019            34,314,233               6               75         .002026728
      9           F1              77,330,689        1.0346            74,744,528               8              148         .028578664
     10           F1              76,933,706        0.9675            79,518,042               7               37         .016350826
     11           F1              77,243,455        0.8891            86,878,253               4               10         .025558534
     12           L1              32,581,828        1.0458            31,154,932               8              216         .004882983
     13           L1              32,496,135        1.0588            30,691,476               7               41         .006599895
     14           L1              32,591,564        1.0376            31,410,528               7               12         .005578678
  RANDOM TOTALS:               2,142,114,177                       2,123,714,303             239           12,777
  CATG D1 EXCEPTION VALUES:          372,519                             347,311
  CATG F1 EXCEPTION VALUES:       51,102,200                          51,457,389
  CATG L1 EXCEPTION VALUES:       47,459,860                          40,767,153
 TOTAL TEST VALUES (4):        2,241,048,756                       2,216,286,156
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:          110,814,308
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:          2,105,471,848 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:           2,241,048,756 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:          2,327,100,464 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):           2,362,162,669 (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