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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:36:22                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              210/Shelby                                                VRSN:      W
                                                        210-902/Joaquin ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A                7,690,576        1.1403             6,744,344               7              340         .067234591
      2           A                7,691,863        0.9505             8,092,439               7              186         .085224392
      3           A                7,734,944        1.0803             7,159,996               7              124         .040979783
      4           A                7,615,303        1.0090             7,547,377               6               64         .027769935
      5           D3              26,079,148        0.9127            28,573,626              21            2,532         .072391128
      6           G1              36,095,681        0.9892            36,489,771               6               52         .024544493
      7           G1              34,228,245        1.0329            33,138,005               5               23         .046603151
      8           G1              37,101,167        0.9790            37,897,004               5               17         .003784635
      9           G1              32,452,604        0.9964            32,569,855               4                7         .004159937
  RANDOM TOTALS:                 196,689,531                         198,212,417              68            3,345
  CATG D1 EXCEPTION VALUES:        8,453,490                           9,888,278
 TOTAL TEST VALUES (4):          205,143,021                         208,100,695
 MARGIN OF ERROR PERCENT:          5.0000001
 MARGIN OF ERROR VALUE:           10,405,035
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            197,695,660 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             205,143,021 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            218,505,730 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             218,369,375 (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