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DATE: 02/10/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:51:55                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              007/Atascosa                                              VRSN:      P
                                                        007-905/Pleasanton ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A               59,202,538        0.9237            64,092,820               11            1,395
           2           A               59,125,606        0.9747            60,660,312               11              760
           3           A               59,133,184        0.9817            60,235,494               14              496
           4           A               59,090,340        0.9378            63,009,533                9              350
           5           D3              66,869,645        0.9543            70,071,932               21            4,366
           6           F1               8,618,320        0.9681             8,902,303                6              144
           7           F1               8,704,909        0.9599             9,068,558                7               58
           8           F1               8,787,781        0.9716             9,044,649                6               29
           9           F1               8,484,415        0.9647             8,794,874                5               10
  RANDOM TOTALS:                      338,016,738                         353,880,475               90            7,608
  CATG J  EXCEPTION VALUES:            27,930,482                          28,885,889
  CATG D1 EXCEPTION VALUES:            20,220,670                          24,476,382
 TOTAL TEST VALUES (4):               386,167,890                         407,242,746
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                20,362,137
 CONFIDENCE INTERVAL VALUES (5):
   LOCAL TEST VALUE:                  386,167,890 (OUTSIDE CONFIDENCE INTERVAL)
   STATE LOWER LIMIT:                 386,880,609 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   STATE UPPER LIMIT:                 427,604,883 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  429,812,079 (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