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DATE: 06/22/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:12:27                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              144/Lee                                                   VRSN:      W
                                                        144-901/Giddings ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A               27,491,048        0.9337            29,443,127                8              689
           2           A               27,541,716        0.9273            29,700,977               12              354
           3           A               27,454,354        0.9775            28,086,296               11              250
           4           A               27,373,867        0.9767            28,026,894                8              155
           5           D3             113,192,472        0.9560           118,402,167               32            6,476
           6           F1              14,029,360        1.0247            13,691,188                7              203
           7           F1              14,144,282        0.9905            14,279,941                7               79
           8           F1              13,835,011        0.9874            14,011,557                6               34
           9           F1              13,964,409        0.9370            14,903,318                5               13
          10           G1              83,632,788        0.9742            85,847,658               19              546
          11           L1               8,665,150        0.8898             9,738,312                7              218
          12           L1               8,616,127        0.9679             8,901,877                7               56
          13           L1               8,930,878        1.0154             8,795,428                6               22
          14           L1               8,355,166        0.9780             8,543,115                4                7
  RANDOM TOTALS:                      397,226,628                         412,371,855              139            9,102
  CATG J  EXCEPTION VALUES:            14,520,620                          14,342,949
  CATG D1 EXCEPTION VALUES:            10,696,812                           8,815,581
  CATG G1 EXCEPTION VALUES:                88,290                              87,343
 TOTAL TEST VALUES (4):               422,532,350                         435,617,728
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                21,780,886
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                 413,836,842 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                  422,532,350 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                 457,398,614 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  448,679,874 (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