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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:22:29                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              145/Leon                                                  VRSN:      W
                                                        145-901/Buffalo ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A                6,782,738        1.0117             6,704,298              11              290         .006986772
      2           A                6,782,223        1.0457             6,485,821              10              164         .048308817
      3           A                6,771,980        0.9390             7,211,906              11              113         .004843313
      4           A                6,695,420        0.9879             6,777,427              10               71         .000886894
      5           D3              49,992,272        0.9889            50,553,415              26            3,374         .110595586
      6           F1               3,979,084        0.9485             4,195,133               6               79         .002869883
      7           F1               4,007,263        0.9696             4,132,903               6               25         .000691433
      8           F1               4,353,599        0.9468             4,598,225               4               10         .001994851
      9           F1               3,330,681        0.8988             3,705,698               2                3         .009260382
     10           G1              16,553,921        1.1288            14,665,061               6               42         .063251214
     11           G1              16,287,299        0.9890            16,468,452               4               10         .015735764
     12           G1              16,648,261        0.9845            16,910,372               3                5         .000256523
     13           L1               3,495,482        0.9796             3,568,275               6               73         .001469138
     14           L1               3,598,125        1.0039             3,584,147               5               18         .016627380
     15           L1               3,639,005        1.2443             2,924,540               4                8         .081099640
     16           L1               3,067,759        1.0000             3,067,759               2                3
  RANDOM TOTALS:                 155,985,112                         155,553,432             116            4,288
  CATG J  EXCEPTION VALUES:        8,860,550                           9,226,510
  CATG D1 EXCEPTION VALUES:        5,807,097                           5,285,573
  CATG G1 EXCEPTION VALUES:       14,899,860                          14,889,266
 TOTAL TEST VALUES (4):          185,552,619                         184,954,781
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:            9,247,739
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            175,707,042 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             185,552,619 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            194,202,520 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             229,598,239 (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