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DATE: 02/10/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 12:14:56                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              167/Mills                                                 VRSN:      P
                                                        167-902/Mullin ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A                  768,522        1.0436               736,414                9               47
           2           A                  778,435        1.0309               755,102                8               27
           3           A                  784,983        1.1211               700,190               11               18
           4           A                  766,569        1.0207               751,023                5                9
           5           D3              22,196,897        0.9916            22,384,930               27            2,121
  RANDOM TOTALS:                       25,295,406                          25,327,659               60            2,222
  CATG J  EXCEPTION VALUES:             3,516,670                           3,658,123
  CATG D1 EXCEPTION VALUES:            12,859,462                          13,270,895
 TOTAL TEST VALUES (4):                41,671,538                          42,256,677
 MARGIN OF ERROR PERCENT:               5.0000004
 MARGIN OF ERROR VALUE:                 2,112,834
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                  40,143,843 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                   41,671,538 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                  44,369,511 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                   38,954,808 (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