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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:21:37                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              230/Upshur                                                VRSN:      W
                                                        230-903/Ore City ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               12,433,455        0.9935            12,514,801              15            1,271         .177017504
      2           A               12,416,850        1.0489            11,837,973              16              331         .061943373
      3           A               12,383,413        0.9756            12,693,125              16              209         .018229111
      4           A               12,399,508        0.9985            12,418,135              15              126         .021905206
      5           D3              33,815,290        0.9558            35,379,044              17            2,187         .048677388
      6           F1               1,555,868        0.7580             2,052,596               6              141         .034975181
      7           F1               1,563,989        0.6537             2,392,518               6               49         .047035736
      8           F1               1,582,241        0.8015             1,974,100               6               18         .014305704
      9           F1               1,471,971        0.6689             2,200,585               3                5         .120104379
     10           G1              13,334,133        0.9943            13,410,573              11               33         .021783323
  RANDOM TOTALS:                 102,956,718                         106,873,450             111            4,370
  CATG J  EXCEPTION VALUES:        1,492,493                           1,446,744
  CATG D1 EXCEPTION VALUES:        4,556,034                           4,295,099
 TOTAL TEST VALUES (4):          109,005,245                         112,615,293
 MARGIN OF ERROR PERCENT:          5.0000003
 MARGIN OF ERROR VALUE:            5,630,765
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            106,984,528 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             109,005,245 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            118,246,058 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):              98,618,124 (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