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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:18:56                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              123/Jefferson                                             VRSN:      W
                                                        123-905/Nederland ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A              182,183,349        0.9625           189,281,402              16            3,129         .005364322
      2           A              182,217,527        0.9674           188,357,998              18            2,010         .004011785
      3           A              182,211,457        0.9625           189,310,605              16            1,378         .001348547
      4           A              182,004,799        0.9775           186,194,168              16              833         .001957677
      5           F1              38,923,301        1.0247            37,985,070              10              294         .073873523
      6           F1              39,304,237        0.9052            43,420,500               7              115         .011565644
      7           F1              40,239,060        0.9601            41,911,322               7               42         .015989395
      8           F1              36,878,325        0.9646            38,231,728               5               13         .006984062
      9           L1              26,157,928        0.9842            26,577,858               8              342         .001852124
     10           L1              26,200,184        0.7601            34,469,391               6               73         .347472282
     11           L1              26,359,121        1.0395            25,357,500               6               26         .043877638
     12           L1              28,434,663        0.9990            28,463,126               5               13         .003944070
  RANDOM TOTALS:                 991,113,951                       1,029,560,668             120            8,268
  CATG D1 EXCEPTION VALUES:          133,950                             138,007
 TOTAL TEST VALUES (4):          991,247,901                       1,029,698,675
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:           51,484,934
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            978,213,741 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             991,247,901 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:          1,081,183,609 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):           1,254,831,090 (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