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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:33:01                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              005/Archer                                                VRSN:      W
                                                        005-901/Archer 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               11,047,046        1.0114            10,922,529              10              376         .055312311
      2           A               11,046,108        0.9541            11,577,516              11              210         .050637501
      3           A               11,118,531        0.9338            11,906,758               9              135         .006918432
      4           A               10,936,201        0.9690            11,286,069              11               74         .007051367
      5           D3              14,890,160        0.9420            15,806,964              18            1,862         .024343147
      6           F1               1,892,670        1.0646             1,777,823               8               59         .056927196
      7           F1               1,721,927        1.0040             1,715,067               6               26         .012554593
      8           F1               1,940,575        0.9603             2,020,801               5               15         .002441316
      9           F1               1,660,308        0.9236             1,797,648               4                5         .005055166
     10           G1               7,818,280        1.0501             7,445,272               7               92         .002107582
     11           G1               7,673,620        1.0818             7,093,381               6               27         .003257730
     12           G1               7,910,230        1.0741             7,364,519               5               13         .004490372
     13           G1               7,403,970        0.9951             7,440,428               3                5         .000667581
  RANDOM TOTALS:                  97,059,626                          98,154,775             103            2,899
  CATG J  EXCEPTION VALUES:        9,891,192                           9,688,172
  CATG D1 EXCEPTION VALUES:       17,318,420                          16,390,879
 TOTAL TEST VALUES (4):          124,269,238                         124,233,826
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:            6,211,691
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            118,022,135 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             124,269,238 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            130,445,517 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             129,722,080 (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