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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:38:40                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              223/Terry                                                 VRSN:      W
                                                        223-904/Wellman-Union CISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           D3               5,690,606        0.8459             6,727,280              10            1,108         .289652633
      2           G1              39,289,487        1.0077            38,989,270              17               41         .007472721
  RANDOM TOTALS:                  44,980,093                          45,716,550              27            1,149
  CATG J  EXCEPTION VALUES:        4,131,480                           4,095,237
  CATG D1 EXCEPTION VALUES:       29,192,055                          24,741,497
 TOTAL TEST VALUES (4):           78,303,628                          74,553,284
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:            3,727,664
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:             70,825,620 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   STATE UPPER LIMIT:             78,280,948 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:              78,303,628 (OUTSIDE CONFIDENCE INTERVAL)
 VALUE ASSIGNED (6):             101,950,231 (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