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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:25:41                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              249/Wise                                                  VRSN:      W
                                                        249-905/Decatur ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               73,166,902        0.9856            74,235,899              18            1,100         .055471040
      2           A               73,148,221        1.0545            69,367,682              30              681         .029543164
      3           A               73,066,115        0.9719            75,178,635              26              469         .026762896
      4           A               73,031,332        0.9934            73,516,541              19              304         .014654503
      5           D3             188,932,320        0.9795           192,886,493              33            4,940         .029740988
      6           F1              33,109,424        0.9267            35,728,309               8              167         .016193501
      7           F1              33,012,879        0.9546            34,582,945               8               58         .002624981
      8           F1              33,147,101        0.9917            33,424,525               6               31         .006387553
      9           F1              32,345,147        0.9877            32,747,947               6               13         .000986545
     10           G1             116,485,876        1.0635           109,530,678               7              383         .044597523
     11           G1             115,825,798        1.0098           114,701,721               7              145         .001087780
     12           G1             117,177,538        1.0248           114,341,860               7               96         .005121840
     13           G1             114,488,368        0.9877           115,914,112               6               44         .000309589
     14           L1              12,717,865        1.0055            12,648,299               7              259         .000898907
     15           L1              12,460,825        1.0191            12,227,284               7               35         .004050715
     16           L1              25,145,205        1.0035            25,057,504               3                7         .000232199
  RANDOM TOTALS:               1,127,260,916                       1,126,090,434             198            8,732
  CATG D1 EXCEPTION VALUES:        7,001,110                           6,467,055
 TOTAL TEST VALUES (4):        1,134,262,026                       1,132,557,489
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:           56,627,874
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:          1,075,929,615 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:           1,134,262,026 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:          1,189,185,363 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):           1,240,337,535 (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