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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:51:56                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              097/Hamilton                                              VRSN:      W
                                                        097-903/Hico ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A                8,009,819        1.0122             7,913,277              16              238         .042097946
      2           A                8,010,659        0.9604             8,340,961              16              147         .043536213
      3           A                8,009,509        0.9953             8,047,331              15              109         .032897352
      4           A                7,983,545        1.0587             7,540,894              19               69         .040596598
      5           D3              50,415,970        1.0127            49,783,717              29            2,797         .061962641
      6           F1               2,569,863        1.0925             2,352,277               7               53         .081663411
      7           F1               2,642,828        0.9235             2,861,752               7               28         .149215383
      8           F1               2,481,065        1.1091             2,237,007               8               14         .057321735
      9           F1               2,508,518        0.9283             2,702,271               6                7         .043969903
  RANDOM TOTALS:                  92,631,776                          91,779,487             123            3,462
  CATG J  EXCEPTION VALUES:        4,848,980                           4,857,994
  CATG D1 EXCEPTION VALUES:       10,404,091                          10,896,478
 TOTAL TEST VALUES (4):          107,884,847                         107,533,959
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:            5,376,698
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            102,157,261 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             107,884,847 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            112,910,657 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):              99,954,935 (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