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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:13:41                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              184/Parker                                                VRSN:      W
                                                        184-907/Aledo ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A              220,374,142        1.0092           218,365,182              61            1,507         .005064119
      2           A              220,362,110        1.0068           218,873,768              39              983         .002067831
      3           A              220,366,422        1.0070           218,834,580              63              694         .003195131
      4           A              220,147,485        0.9922           221,878,134              38              438         .002675816
      5           D3             210,791,440        0.9891           213,114,387              20            3,025         .004000763
  RANDOM TOTALS:               1,092,041,599                       1,091,066,051             221            6,647
  CATG D1 EXCEPTION VALUES:        5,467,160                           3,684,735
 TOTAL TEST VALUES (4):        1,097,508,759                       1,094,750,786
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:           54,737,539
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:          1,040,013,247 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:           1,097,508,759 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:          1,149,488,325 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):           1,256,526,916 (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