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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:33:47                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              010/Bandera                                               VRSN:      W
                                                        010-901/Medina ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A                5,050,815        0.8952             5,642,108               7               83         .027880507
      2           A                5,068,384        0.9172             5,525,931               6               47         .019909114
      3           A                5,210,087        0.9931             5,246,286               6               30         .005044479
      4           A                4,831,367        1.0972             4,403,360               5               16         .009820055
      5           D3              93,407,122        0.7269           128,500,649              13            3,267         .111577531
  RANDOM TOTALS:                 113,567,775                         149,318,334              37            3,443
  CATG D1 EXCEPTION VALUES:        9,393,490                           8,933,369
 TOTAL TEST VALUES (4):          122,961,265                         158,251,703
 MARGIN OF ERROR PERCENT:         15.2915656
 MARGIN OF ERROR VALUE:           24,199,163
 CONFIDENCE INTERVAL VALUES (5):
   LOCAL TEST VALUE:             122,961,265 (OUTSIDE CONFIDENCE INTERVAL)
   STATE LOWER LIMIT:            134,052,540 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   STATE UPPER LIMIT:            182,450,866 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             120,252,072 (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