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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:26:42                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              167/Mills                                                 VRSN:      W
                                                        167-902/Mullin ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A                  805,689        1.0090               798,502               6               48         .069543928
      2           A                  823,145        0.9646               853,354              11               27         .071679677
      3           A                  799,298        0.9628               830,181               8               18         .055233278
      4           A                  757,059        0.8955               845,404               8               10         .029588716
      5           D3              24,185,868        1.0693            22,618,412              34            2,095         .044734720
  RANDOM TOTALS:                  27,371,059                          25,945,853              67            2,198
  CATG J  EXCEPTION VALUES:        3,849,690                           3,917,878
  CATG D1 EXCEPTION VALUES:       12,527,354                          13,317,885
 TOTAL TEST VALUES (4):           43,748,103                          43,181,616
 MARGIN OF ERROR PERCENT:          5.0000005
 MARGIN OF ERROR VALUE:            2,159,081
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:             41,022,535 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:              43,748,103 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:             45,340,697 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):              41,215,461 (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