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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:48:38                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              081/Freestone                                             VRSN:      W
                                                        081-902/Fairfield ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               47,568,816        0.9805            48,514,856              10            1,010         .010802074
      2           A               47,601,337        0.9276            51,316,663              10              525         .057233815
      3           A               47,615,942        0.9018            52,801,000              11              271         .084135286
      4           A               47,361,029        0.9547            49,608,284               7              116         .006241909
      5           D3             119,767,580        1.0137           118,148,940              27            7,320         .032584430
      6           G1             148,840,276        0.9796           151,939,849               7              227         .006656965
      7           G1             149,509,130        0.9846           151,847,583               7              103         .001011867
      8           G1             148,749,476        0.9885           150,479,996               6               67         .000392000
      9           G1             146,297,458        0.9913           147,581,416               6               45         .000052988
  RANDOM TOTALS:                 903,311,044                         922,238,587              91            9,684
  CATG J  EXCEPTION VALUES:       26,139,380                          25,466,890
  CATG D1 EXCEPTION VALUES:       16,287,490                          15,063,484
 TOTAL TEST VALUES (4):          945,737,914                         962,768,961
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:           48,138,448
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            914,630,513 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             945,737,914 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:          1,010,907,409 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):           1,894,323,103 (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