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DATE: 06/22/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:16:51                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              177/Nolan                                                 VRSN:      W
                                                        177-902/Sweetwater ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A               35,271,308        0.8890            39,675,262               22            1,779
           2           A               35,286,236        0.9796            36,021,066               23              857
           3           A               35,270,140        0.9600            36,739,729               22              510
           4           A               35,191,787        0.9607            36,631,401               18              271
           5           D3              32,101,855        0.9699            33,098,108               11            1,839
           6           F1              11,591,117        1.0725            10,807,568                7              260
           7           F1              11,545,485        1.0580            10,912,557                9               68
           8           F1              11,242,654        1.0623            10,583,314                6               19
           9           F1              11,487,724        1.1517             9,974,580                4                8
          10           L1               9,204,262        1.0214             9,011,418                7              232
          11           L1               9,116,576        0.9817             9,286,519               12               50
          12           L1               9,311,994        1.0215             9,116,000                6               18
          13           L1               8,941,585        1.0167             8,794,713                3                4
  RANDOM TOTALS:                      255,562,723                         260,652,235              150            5,915
  CATG J  EXCEPTION VALUES:            35,030,833                          35,767,890
  CATG D1 EXCEPTION VALUES:             7,875,338                           7,874,582
 TOTAL TEST VALUES (4):               298,468,894                         304,294,707
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                15,214,735
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                 289,079,972 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                  298,468,894 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                 319,509,442 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  394,672,019 (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