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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:31:14                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              180/Oldham                                                VRSN:      W
                                                        180-904/Wildorado ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A                3,379,528        0.9878             3,421,267              13               86         .021355869
      2           D3               5,090,278        0.9578             5,314,552              21              438         .005480917
  RANDOM TOTALS:                   8,469,806                           8,735,819              34              524
  CATG J  EXCEPTION VALUES:        1,043,592                           1,037,774
  CATG D1 EXCEPTION VALUES:        6,818,130                           5,295,853
 TOTAL TEST VALUES (4):           16,331,528                          15,069,446
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:              753,472
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:             14,315,974 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   STATE UPPER LIMIT:             15,822,918 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:              16,331,528 (OUTSIDE CONFIDENCE INTERVAL)
 VALUE ASSIGNED (6):              19,969,695 (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