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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:18:33                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              120/Jackson                                               VRSN:      W
                                                        120-902/Ganado ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A                6,808,079        0.7350             9,262,693               8              233         .200841458
      2           A                6,838,727        0.9211             7,424,522              11              132         .035207908
      3           A                6,833,856        0.9526             7,173,899               8               87         .007688556
      4           A                6,749,673        0.9191             7,343,785              17               57         .009611724
      5           D3              36,625,663        0.7560            48,446,644              24           92,108         .207295568
      6           F1               1,468,703        0.7719             1,902,711               6               42         .099070055
      7           F1               1,444,816        0.7884             1,832,593               5               23         .088167206
      8           F1               1,544,881        0.7771             1,988,008               5               14         .026140525
      9           F1               1,305,280        0.9219             1,415,859               3                5         .006930642
     10           G1               2,582,282        1.1564             2,233,035               5               22         .045476233
     11           G1               2,556,873        0.8786             2,910,167               4               10         .114964552
     12           G1               2,363,995        0.5952             3,971,766               3                6         .063649628
     13           L1               1,656,458        1.1751             1,409,632               7               46         .042382713
     14           L1               1,648,022        1.0630             1,550,350               5               15         .022936783
  RANDOM TOTALS:                  80,427,308                          98,865,664             111           92,800
  CATG J  EXCEPTION VALUES:        9,613,849                           9,308,371
  CATG D1 EXCEPTION VALUES:       17,605,540                          16,928,155
  CATG G1 EXCEPTION VALUES:        6,233,390                           4,872,224
  CATG L1 EXCEPTION VALUES:        3,842,345                           2,835,549
 TOTAL TEST VALUES (4):          117,722,432                         132,809,963
 MARGIN OF ERROR PERCENT:          7.1762786
 MARGIN OF ERROR VALUE:            9,530,813
 CONFIDENCE INTERVAL VALUES (5):
   LOCAL TEST VALUE:             117,722,432 (OUTSIDE CONFIDENCE INTERVAL)
   STATE LOWER LIMIT:            123,279,150 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   STATE UPPER LIMIT:            142,340,776 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             122,205,633 (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