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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:43:58                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              251/Yoakum                                                VRSN:      W
                                                        251-901/Denver City ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               14,229,895        0.9323            15,263,215               7              609         .042188984
      2           A               14,285,901        1.0918            13,084,723               7              354         .038708473
      3           A               14,200,685        1.0674            13,303,996               7              230         .031146900
      4           A               14,201,086        1.0252            13,852,015               7              137         .077891026
      5           G1           1,530,996,779        1.0063         1,521,411,884               8               48         .000982576
  RANDOM TOTALS:               1,587,914,346                       1,576,915,833              36            1,378
  CATG J  EXCEPTION VALUES:       14,504,750                          13,646,572
  CATG D1 EXCEPTION VALUES:        9,505,657                          10,631,649
 TOTAL TEST VALUES (4):        1,611,924,753                       1,601,194,054
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:           80,059,703
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:          1,521,134,351 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:           1,611,924,753 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:          1,681,253,757 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):           1,844,089,128 (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