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DATE: 06/22/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:52:23                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              007/Atascosa                                              VRSN:      W
                                                        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               59,177,891        0.9409            62,894,985               10            1,394
           2           A               59,125,606        1.0052            58,819,743               10              760
           3           A               59,133,184        0.9865            59,942,406               15              496
           4           A               59,090,340        0.9378            63,009,533                9              350
           5           D3              66,869,645        1.0674            62,647,222               20            4,366
           6           F1               8,694,513        0.9681             8,981,007                6              144
           7           F1               8,597,442        0.9599             8,956,602                7               57
           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:                      337,960,817                         343,091,021               88            7,606
  CATG J  EXCEPTION VALUES:            27,930,482                          28,149,369
  CATG D1 EXCEPTION VALUES:            20,260,840                          24,521,472
 TOTAL TEST VALUES (4):               386,152,139                         395,761,862
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                19,788,093
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                 375,973,769 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                  386,152,139 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                 415,549,955 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  428,071,839 (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