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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:05:33                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              062/Dewitt                                                VRSN:      W
                                                        062-902/Nordheim ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A                  927,188        0.9577               968,140               6               63         .018959814
      2           A                  887,536        0.9768               908,616               6               34         .002118787
      3           A                  937,206        0.9780               958,288               6               26         .005179103
      4           A                  876,048        1.0072               869,786               5               18         .000972571
      5           D3               8,036,700        1.0016             8,023,862              12            1,378         .001277976
      6           G1              29,085,510        1.0190            28,543,189               7               29         .004199227
  RANDOM TOTALS:                  40,750,188                          40,271,881              42            1,548
  CATG J  EXCEPTION VALUES:        1,919,061                           2,112,424
  CATG D1 EXCEPTION VALUES:        5,969,910                           4,627,519
 TOTAL TEST VALUES (4):           48,639,159                          47,011,824
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:            2,350,591
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:             44,661,233 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:              48,639,159 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:             49,362,415 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):              53,933,609 (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