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DATE: 06/22/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:10:12                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              125/Jim Wells                                             VRSN:      W
                                                        125-903/Orange Grove ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A                6,931,430        0.9818             7,059,921               11              275
           2           A                6,905,712        0.9766             7,071,178               12              129
           3           A                6,975,281        0.9778             7,133,648                9               71
           4           A                6,847,367        0.9675             7,077,382                8               40
           5           D3              64,575,255        0.8911            72,466,900               10            6,363
  RANDOM TOTALS:                       92,235,045                         100,809,029               50            6,878
  CATG J  EXCEPTION VALUES:             5,254,391                           5,175,714
  CATG D1 EXCEPTION VALUES:            10,191,382                          10,632,322
 TOTAL TEST VALUES (4):               107,680,818                         116,617,065
 MARGIN OF ERROR PERCENT:              12.7984013
 MARGIN OF ERROR VALUE:                14,925,120
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                 101,691,945 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                  107,680,818 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                 131,542,185 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  112,561,154 (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