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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:12:12                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              178/Nueces                                                VRSN:      W
                                                        178-905/Driscoll ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A                3,372,110        1.0245             3,291,469               7              162         .009943937
      2           A                3,325,565        0.9176             3,624,199               8               98         .014983634
      3           A                3,373,056        0.9076             3,716,457               7               64         .023529587
      4           A                3,321,002        0.9449             3,514,660               9               33         .022082200
      5           D3               1,586,844        0.9737             1,629,705              12              303         .006771335
      6           G1               4,664,890        1.0593             4,403,748               4               12         .013817468
      7           G1               5,149,540        1.1661             4,416,036               3                4         .073824656
  RANDOM TOTALS:                  24,793,007                          24,596,274              50              676
  CATG J  EXCEPTION VALUES:        4,751,411                           4,510,886
  CATG D1 EXCEPTION VALUES:        9,485,250                           9,159,268
  CATG G1 EXCEPTION VALUES:       25,926,032                          25,867,510
 TOTAL TEST VALUES (4):           64,955,700                          64,133,938
 MARGIN OF ERROR PERCENT:          5.0000002
 MARGIN OF ERROR VALUE:            3,206,697
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:             60,927,241 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:              64,955,700 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:             67,340,635 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             100,861,375 (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