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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:22:33                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              145/Leon                                                  VRSN:      W
                                                        145-902/Centerville ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A                5,496,054        1.0813             5,082,821               8              248         .039632461
      2           A                5,475,869        0.9441             5,800,094               9              135         .002192388
      3           A                5,459,300        0.9264             5,893,027               7               86         .003342503
      4           A                5,442,276        0.9163             5,939,404               8               54         .019400181
      5           D3              87,175,173        1.0206            85,415,611              70            5,613         .012483468
      6           G1              11,209,990        1.2238             9,159,985               6               33         .024656087
      7           G1              12,672,950        1.1160            11,355,690               3                6         .085498714
      8           G1              19,525,397        1.0508            18,581,459               2                3         .000233067
  RANDOM TOTALS:                 152,457,009                         147,228,091             113            6,178
  CATG J  EXCEPTION VALUES:        4,621,558                           4,951,773
  CATG D1 EXCEPTION VALUES:       12,884,953                          11,280,163
  CATG G1 EXCEPTION VALUES:       18,972,860                          18,187,973
 TOTAL TEST VALUES (4):          188,936,380                         181,648,000
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:            9,082,400
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            172,565,600 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             188,936,380 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            190,730,400 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             205,891,541 (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