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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:42:26                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              244/Wilbarger                                             VRSN:      W
                                                        244-903/Vernon ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               36,397,273        0.9241            39,386,725              43            1,764         .069329146
      2           A               36,216,342        0.9319            38,862,906              22              823         .047379056
      3           A               36,379,143        0.9349            38,912,336              23              532         .049487218
      4           A               36,223,590        0.9363            38,688,017              16              325         .030380789
      5           D3              19,738,100        0.9754            20,235,903              19            2,523         .053771526
      6           F1               9,415,533        0.8120            11,595,484               8              258         .969705770
      7           F1               9,611,305        0.9319            10,313,666               7               78         .006782350
      8           F1               9,233,475        0.8042            11,481,566               7               21         .127988040
      9           F1               9,394,906        0.9346            10,052,328               2                3         .000402032
     10           L1               4,970,402        0.9798             5,072,874               9              119         .001412506
     11           L1               5,034,400        0.9394             5,359,165               8               31         .029081529
     12           L1               5,150,162        0.9936             5,183,335               5               13         .000233052
  RANDOM TOTALS:                 217,764,631                         235,144,305             169            6,490
  CATG J  EXCEPTION VALUES:       41,235,101                          41,469,505
  CATG D1 EXCEPTION VALUES:       22,516,640                          23,838,548
  CATG L1 EXCEPTION VALUES:        2,650,240                           2,645,379
 TOTAL TEST VALUES (4):          284,166,612                         303,097,737
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:           15,154,887
 CONFIDENCE INTERVAL VALUES (5):
   LOCAL TEST VALUE:             284,166,612 (OUTSIDE CONFIDENCE INTERVAL)
   STATE LOWER LIMIT:            287,942,850 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   STATE UPPER LIMIT:            318,252,624 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             685,273,823 (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