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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:08:54                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              079/Fort Bend                                             VRSN:      W
                                                        079-907/Fort Bend ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A            3,355,851,408        0.9587         3,500,418,700              56           29,286         .004850825
      2           A            3,354,616,038        0.9663         3,471,609,270              54           20,390         .003795067
      3           A            3,354,527,544        0.9511         3,526,997,733              57           14,598         .004592549
      4           A            3,354,916,747        0.9616         3,488,890,128              57            8,265         .002801760
      5           C               89,371,395        0.9022            99,059,405              43            1,184         .144271759
      6           C               89,266,053        0.9705            91,979,447               9              249         .000934671
      7           C               89,028,379        0.9716            91,630,691               7               82         .003727998
      8           C               89,044,818        1.0444            85,259,305               6               21         .010334576
      9           F1             397,318,105        1.0007           397,040,177              12              593         .011503476
     10           F1             400,067,132        0.9980           400,868,870               7              166         .016695103
     11           F1             403,472,105        0.9689           416,422,856               6               56         .003571741
     12           F1             387,236,581        1.0042           385,616,990               5               14         .001033513
     13           L1             138,312,736        1.0424           132,686,815               7            4,637         .043127727
     14           L1             138,376,304        1.0589           130,679,294               7              499         .009657530
     15           L1             138,347,412        0.9413           146,974,835               6               85         .010665930
     16           L1             138,139,764        0.9768           141,420,725               5               23         .001489805
  RANDOM TOTALS:              15,917,892,521                      16,507,555,241             344           80,148
  CATG D1 EXCEPTION VALUES:        5,502,980                           5,002,874
 TOTAL TEST VALUES (4):       15,923,395,501                      16,512,558,115
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:          825,627,906
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:         15,686,930,209 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:          15,923,395,501 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:         17,338,186,021 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):          16,762,100,165 (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