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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:00:38                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              129/Kaufman                                               VRSN:      W
                                                        129-902/Forney ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A              225,302,942        0.9933           226,822,654              51            1,705         .012857589
      2           A              225,100,276        0.9813           229,389,867              50            1,301         .006700689
      3           A              225,223,219        0.9815           229,468,384              55            1,040         .006529578
      4           A              225,089,818        0.9730           231,335,887              52              771         .012038820
      5           D3             121,729,320        1.3603            89,487,113              11            2,133         .547759656
      6           F1              18,023,241        0.6914            26,067,748               7              146         .036087234
      7           F1              17,902,330        0.8661            20,670,050               7               46         .006508095
      8           F1              18,115,210        0.8524            21,252,006               6               17         .023431858
      9           L1               2,375,270        1.1780             2,016,358               3                8         .042940373
  RANDOM TOTALS:               1,078,861,626                       1,076,510,067             242            7,167
  CATG D1 EXCEPTION VALUES:        4,523,020                           3,078,895
  CATG F1 EXCEPTION VALUES:       12,900,010                          16,647,521
  CATG L1 EXCEPTION VALUES:      340,817,520                         340,800,000
 TOTAL TEST VALUES (4):        1,437,102,176                       1,437,036,483
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:           71,851,824
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:          1,365,184,659 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:           1,437,102,176 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:          1,508,888,307 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):           1,567,974,220 (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