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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:21:44                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              230/Upshur                                                VRSN:      W
                                                        230-906/New Diana ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               10,811,285        0.9472            11,413,941              12              861         .016435317
      2           A               10,826,178        0.9956            10,874,024              10              222         .032698450
      3           A               10,746,153        0.9893            10,862,380              12              151         .023545847
      4           A               10,770,610        0.9039            11,915,710               7               97         .020618041
      5           D3              47,749,463        0.9566            49,915,809              29            2,487         .039189397
      6           G1               3,992,781        0.9948             4,013,652              13               15         .000064762
  RANDOM TOTALS:                  94,896,470                          98,995,516              83            3,833
  CATG D1 EXCEPTION VALUES:        3,609,147                           3,265,327
 TOTAL TEST VALUES (4):           98,505,617                         102,260,843
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:            5,113,042
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:             97,147,801 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:              98,505,617 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            107,373,885 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):              87,819,507 (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