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DATE: 06/22/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:11:21                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              133/Kerr                                                  VRSN:      W
                                                        133-903/Kerrville ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A              253,946,075        1.0560           240,479,238               21            3,545
           2           A              253,962,163        0.9900           256,527,437               20            2,076
           3           A              253,938,356        0.9643           263,339,579               20            1,426
           4           A              253,746,367        1.0197           248,844,137                7              840
           5           D3             152,691,267        0.9663           158,016,420               64            3,344
           6           F1              56,068,857        0.8623            65,022,448                7              374
           7           F1              56,089,657        0.9367            59,880,065                6              124
           8           F1              56,438,348        0.8801            64,127,199                6               43
           9           F1              55,526,501        0.9143            60,731,162                5               16
          10           L1              24,372,721        0.9356            26,050,364                7              558
          11           L1              24,632,506        0.9355            26,330,846                7              121
          12           L1              25,221,426        0.9424            26,762,973                6               30
          13           L1              23,153,943        0.9911            23,361,864                3                4
  RANDOM TOTALS:                    1,489,788,187                       1,519,473,732              179           12,501
  CATG D1 EXCEPTION VALUES:             4,092,417                           3,967,750
 TOTAL TEST VALUES (4):             1,493,880,604                       1,523,441,482
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                76,172,074
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:               1,447,269,408 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                1,493,880,604 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:               1,599,613,556 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                1,455,930,692 (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