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DATE: 02/10/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 12:13:58                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              161/McLennan                                              VRSN:      P
                                                        161-909/McGregor ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A               20,734,000        0.8857            23,409,732               15              641
           2           A               20,726,959        0.9467            21,893,904               16              376
           3           A               20,758,970        0.9928            20,909,519               15              254
           4           A               20,737,976        1.0559            19,640,095               16              163
           5           D3              18,952,756        1.0472            18,098,506               14              865
           6           F1               3,878,854        1.0475             3,702,963                7               77
           7           F1               3,877,969        1.0049             3,859,060                6               29
           8           F1               4,052,856        1.0696             3,789,132                5               11
           9           L1               5,709,665        1.1336             5,036,755                8               71
          10           L1               5,598,521        1.0470             5,347,202                5               14
          11           L1               7,430,625        1.0273             7,233,160                3                5
  RANDOM TOTALS:                      132,459,151                         132,920,028              110            2,506
  CATG J  EXCEPTION VALUES:            10,253,623                          10,874,625
  CATG D1 EXCEPTION VALUES:             5,436,934                           5,813,482
  CATG F1 EXCEPTION VALUES:             3,555,592                           3,702,878
  CATG L1 EXCEPTION VALUES:             2,615,320                           2,320,927
 TOTAL TEST VALUES (4):               154,320,620                         155,631,940
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                 7,781,597
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                 147,850,343 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                  154,320,620 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                 163,413,537 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  200,381,316 (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