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DATE: 06/22/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:16:49                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              177/Nolan                                                 VRSN:      W
                                                        177-901/Roscoe ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A                3,899,432        1.0216             3,816,985                7              231
           2           A                3,894,595        0.9224             4,222,241                7              106
           3           A                3,787,614        1.0228             3,703,181                7               72
           4           A                3,824,482        0.9312             4,107,047                7               49
           5           D3               9,393,673        1.0025             9,370,247               11              891
           6           F1                 836,967        1.0191               821,281                6               36
           7           F1                 809,881        1.0307               785,758                5               11
           8           L1               1,136,485        1.0232             1,110,716               10               29
           9           L1               1,118,363        1.0235             1,092,685                4                9
          10           L1               1,230,767        0.9699             1,268,963                2                5
  RANDOM TOTALS:                       29,932,259                          30,299,104               66            1,439
  CATG J  EXCEPTION VALUES:             9,929,409                          10,511,398
  CATG D1 EXCEPTION VALUES:             6,819,400                           4,783,909
  CATG F1 EXCEPTION VALUES:             3,219,127                           3,320,233
  CATG L1 EXCEPTION VALUES:             3,979,639                           3,890,120
 TOTAL TEST VALUES (4):                53,879,834                          52,804,764
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                 2,640,238
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                  50,164,526 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                   53,879,834 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                  55,445,002 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                   53,839,981 (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