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DATE: 01/26/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:22:31                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              127/Jones                                                 VRSN:      W
                                                        127-905/Lueders-Avoca ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A                  901,809        0.9490               950,273               7              109         .005393843
      2           A                  888,849        0.9372               948,409              14               53         .003490607
      3           A                  922,023        0.9690               951,520               6               32         .002321219
      4           A                  858,927        0.9857               871,388               5               14         .005295444
      5           D3               6,974,740        0.9349             7,460,413              21          148,085         .004822035
      6           G1               2,617,630        1.0552             2,480,696               7               25         .001531925
      7           G1               2,505,450        1.0185             2,459,941               3                4         .000016141
      8           G1               2,530,100        1.0346             2,445,486               2                3         .000890299
  RANDOM TOTALS:                  18,199,528                          18,568,126              65          148,325
  CATG J  EXCEPTION VALUES:        2,275,399                           2,386,432
  CATG D1 EXCEPTION VALUES:        9,390,079                           8,787,552
  CATG G1 EXCEPTION VALUES:        1,644,240                           1,658,548
 TOTAL TEST VALUES (4):           31,509,246                          31,400,658
 MARGIN OF ERROR PERCENT:          5.0000003
 MARGIN OF ERROR VALUE:            1,570,033
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:             29,830,625 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:              31,509,246 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:             32,970,691 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):              35,410,724 (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