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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:43:55                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              057/Dallas                                                VRSN:      W
                                                        057-920/Wilmer-Hutchins ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               68,388,329        1.0948            62,466,504               9            1,649         .016610400
      2           A               68,307,414        1.1600            58,885,702              10            1,118         .013974404
      3           A               69,948,597        1.1132            62,835,606              20              993         .026330268
      4           A               66,729,191        1.0053            66,377,391              33              729         .006089009
      5           C                8,953,575        0.9990             8,962,538               7              797         .005932417
      6           C                8,960,363        1.0977             8,162,852               7              174         .009057049
      7           C                9,141,063        1.0414             8,777,668               7               50         .002085715
      8           C                8,671,948        0.9892             8,766,628               7               15         .008543741
      9           F1              36,119,063        0.9225            39,153,456              12              134         .073614639
     10           F1              37,076,506        0.8327            44,525,647               9               32         .063591476
     11           F1              40,128,526        0.9013            44,522,940               6               12         .121664726
     12           F1              31,590,710        1.0255            30,805,178               3                4         .004861132
     13           L1              31,289,212        0.8003            39,096,854              11              102         .102593369
     14           L1              31,136,341        0.9515            32,723,427               7               14         .056605823
  RANDOM TOTALS:                 516,440,838                         516,062,391             148            5,823
  CATG D1 EXCEPTION VALUES:        2,247,638                           2,665,837
  CATG L1 EXCEPTION VALUES:       61,955,010                          61,201,799
 TOTAL TEST VALUES (4):          580,643,486                         579,930,027
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:           28,996,501
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            550,933,526 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             580,643,486 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            608,926,528 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             623,105,523 (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