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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:18:30                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              212/Smith                                                 VRSN:      W
                                                        212-906/Whitehouse ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A              190,819,569        0.9466           201,584,163              57            2,023         .004661291
      2           A              190,228,179        0.9731           195,486,773              56            1,327         .003855129
      3           A              190,175,169        0.9852           193,032,043              57              910         .002894232
      4           A              190,078,929        0.9939           191,245,527              31              464         .003676586
      5           D3              93,907,200        0.9567            98,157,416              25            3,119         .041347402
      6           F1              24,735,923        0.9612            25,734,418               7              141         .004375092
      7           F1              24,396,726        0.9059            26,930,926               7               53         .009585975
      8           F1              24,761,854        1.0711            23,118,153               5               24         .042882476
      9           F1              24,214,287        1.0056            24,079,442               4                8         .068420178
  RANDOM TOTALS:                 953,317,836                         979,368,861             249            8,069
  CATG D1 EXCEPTION VALUES:        6,009,814                           4,912,326
 TOTAL TEST VALUES (4):          959,327,650                         984,281,187
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:           49,214,059
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            935,067,128 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             959,327,650 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:          1,033,495,246 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):           1,150,237,691 (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