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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:36:26                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              210/Shelby                                                VRSN:      W
                                                        210-904/Tenaha ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A                3,619,364        1.0796             3,352,505              10              168         .094183733
      2           A                3,591,732        0.9828             3,654,591               9               93         .030191715
      3           A                3,635,177        1.0562             3,441,751               9               63         .007401453
      4           A                3,535,827        1.0204             3,465,138              10               37         .002332528
      5           D3              14,715,139        0.9633            15,275,759              20            1,498         .039026866
      6           F1                 729,746        0.9883               738,385               9               33         .002204960
      7           F1                 682,145        0.9900               689,035              11               16         .007010788
      8           F1                 690,614        0.9329               740,287               5                7         .063421388
      9           F1                 688,887        0.9716               709,023               3                4         .026352733
     10           L1                 381,161        0.9430               404,200               5               23         .050625647
     11           L1                 373,650        1.1286               331,074               6                9         .024321209
     12           L1                 434,210        0.9099               477,206               3                4         .011337359
  RANDOM TOTALS:                  33,077,652                          33,278,954             100            1,955
  CATG J  EXCEPTION VALUES:        6,014,307                           6,003,011
  CATG D1 EXCEPTION VALUES:        6,950,740                           7,169,989
  CATG L1 EXCEPTION VALUES:          396,150                             367,038
 TOTAL TEST VALUES (4):           46,438,849                          46,818,992
 MARGIN OF ERROR PERCENT:          5.0000009
 MARGIN OF ERROR VALUE:            2,340,950
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:             44,478,042 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:              46,438,849 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:             49,159,942 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):              56,779,363 (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