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DATE: 01/26/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:21:47                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              123/Jefferson                                             VRSN:      W
                                                        123-913/Sabine Pass ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A                2,383,034        1.0855             2,195,333               7               94         .008625856
      2           A                2,376,889        0.9707             2,448,634               8               43         .006553210
      3           A                2,444,054        0.9520             2,567,284               5               21         .010019074
      4           A                2,274,742        1.0079             2,256,912               4               10         .029068793
      5           C                1,217,901        1.0092             1,206,798              10              507         .003101263
      6           C                1,259,857        0.9527             1,322,407               6               51         .002313653
      7           C                1,170,280        0.9579             1,221,714               5               19         .002383911
      8           C                1,208,322        0.9907             1,219,665               5               15         .000336062
      9           D3               3,563,970        0.9919             3,593,074              10              716         .000736663
     10           F1               1,671,550        0.9834             1,699,766               5               21         .004678271
     11           F1               1,882,553        0.9554             1,970,434               3                6         .005038536
     12           G1              35,617,051        1.0004            35,602,810               5               12         .028594241
     13           L1               8,709,870        0.9852             8,840,713               9               68         .261170050
  RANDOM TOTALS:                  65,780,073                          66,145,544              82            1,583
  CATG J  EXCEPTION VALUES:        5,524,964                           5,064,142
  CATG D1 EXCEPTION VALUES:        3,099,190                           2,839,765
  CATG F1 EXCEPTION VALUES:        2,916,810                           2,990,157
 TOTAL TEST VALUES (4):           77,321,037                          77,039,608
 MARGIN OF ERROR PERCENT:          6.4715958
 MARGIN OF ERROR VALUE:            4,985,692
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:             72,053,916 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:              77,321,037 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:             82,025,300 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             435,642,242 (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