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DATE: 01/30/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 08:10:14                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              101/Harris                                                VRSN:      W
                                                        101-903/Alief ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A            1,069,937,543        0.9419         1,135,935,389              53           12,685         .007788533
      2           A            1,072,966,139        0.9799         1,094,975,139              58            9,959         .003119085
      3           A            1,062,952,208        0.9961         1,067,113,952              55            8,153         .004418850
      4           A            1,068,454,053        0.9888         1,080,556,283              57            4,011         .003663058
      5           B              322,112,359        0.8472           380,208,167               8               89         .041388979
      6           B              323,322,015        0.9959           324,653,093               6               51         .005296585
      7           B              323,529,403        0.9435           342,903,448               8               35         .019532794
      8           B              317,035,210        0.9323           340,057,074               6               19         .001953657
      9           F1             586,406,168        0.6757           867,849,886              16              594         .160926108
     10           F1             589,078,278        0.8272           712,135,249              13              177         .036697235
     11           F1             581,581,352        0.9486           613,094,404               8               60         .004737212
     12           F1             585,308,301        0.8921           656,101,671               7               21         .063703319
     13           L1             190,968,132        0.9451           202,061,297               7            2,574         .020718083
     14           L1             191,345,224        0.8671           220,672,614               7              367         .028093427
     15           L1             194,520,245        0.9165           212,242,493               6               81         .010323869
     16           L1             186,857,500        0.9250           202,008,108               5               21         .003697110
  RANDOM TOTALS:               8,666,374,130                       9,452,568,267             320           38,897
  CATG D1 EXCEPTION VALUES:        2,465,190                           2,464,853
 TOTAL TEST VALUES (4):        8,668,839,320                       9,455,033,120
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:          472,751,656
 CONFIDENCE INTERVAL VALUES (5):
   LOCAL TEST VALUE:           8,668,839,320 (OUTSIDE CONFIDENCE INTERVAL)
   STATE LOWER LIMIT:          8,982,281,464 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   STATE UPPER LIMIT:          9,927,784,776 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):           9,210,680,454 (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