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DATE: 06/22/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:05:29                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              101/Harris                                                VRSN:      W
                                                        101-906/Crosby ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A              150,313,054        0.9201           163,365,997               36            2,201
           2           A              149,869,572        0.9961           150,456,352               44            1,417
           3           A              150,635,994        0.9630           156,423,670               32            1,110
           4           A              149,501,003        0.9928           150,585,217               29              725
           5           F1              15,148,843        0.9986            15,170,081                7              113
           6           F1              15,313,358        0.8998            17,018,624                6               36
           7           F1              15,838,069        0.9805            16,153,054                5               13
           8           F1              13,895,083        0.9937            13,983,177                4                6
  RANDOM TOTALS:                      660,514,976                         683,156,172              163            5,621
  CATG J  EXCEPTION VALUES:            29,615,888                          29,647,734
  CATG D1 EXCEPTION VALUES:             5,324,588                           5,159,416
 TOTAL TEST VALUES (4):               695,455,452                         717,963,322
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                35,898,166
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                 682,065,156 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                  695,455,452 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                 753,861,488 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  775,732,338 (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