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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:32:03                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              184/Parker                                                VRSN:      W
                                                        184-903/Weatherford ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A              313,529,425        0.8965           349,726,074              62            4,211         .160936658
      2           A              313,427,320        0.9831           318,815,299              62            2,527         .021912005
      3           A              313,462,459        0.9925           315,831,193              61            1,796         .007785196
      4           A              313,377,056        0.9887           316,958,689              62            1,141         .003939689
      5           D3             284,639,310        0.8962           317,606,907              24            6,503         .121829891
      6           F1              92,327,305        0.9481            97,381,400              17              382         .011911277
      7           F1              91,883,731        0.9891            92,896,301              15              129         .009698961
      8           F1              91,949,671        0.9944            92,467,489               9               54         .009385867
      9           F1              91,463,753        0.9464            96,643,864               6               17         .011384150
     10           L1              37,441,782        0.9226            40,582,898               8              519         .010789890
     11           L1              37,402,042        1.0187            36,715,463               8              112         .001335445
     12           L1              38,261,118        0.9908            38,616,389               7               26         .005094542
     13           L1              36,090,451        1.0593            34,070,094               3                7         .001257418
  RANDOM TOTALS:               2,055,255,423                       2,148,312,060             344           17,424
  CATG D1 EXCEPTION VALUES:       10,764,210                           7,964,238
 TOTAL TEST VALUES (4):        2,066,019,633                       2,156,276,298
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:          107,813,815
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:          2,048,462,483 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:           2,066,019,633 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:          2,264,090,113 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):           2,079,981,296 (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