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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:12:32                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              178/Nueces                                                VRSN:      W
                                                        178-915/West Oso ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               22,176,570        0.9524            23,284,933               9              681         .004763992
      2           A               22,197,336        0.9402            23,609,164              11              490         .039974259
      3           A               22,202,635        0.9275            23,938,151              11              401         .018220951
      4           A               22,126,757        0.9580            23,096,824              11              287         .011593117
      5           F1              22,778,315        0.9326            24,424,528              10              159         .009485877
      6           F1              23,028,580        0.9425            24,433,507               6               57         .008560751
      7           F1              23,059,955        0.9556            24,131,389               5               23         .002284668
      8           F1              21,546,666        0.9891            21,784,113               4                9         .001382842
      9           G1              31,110,710        0.9255            33,615,030               9               42         .037406479
     10           L1              19,308,197        0.9877            19,548,645               7              158         .009333018
     11           L1              19,528,024        1.0419            18,742,705               6               45         .010796302
     12           L1              19,782,210        1.0029            19,725,007               5               19         .004007777
     13           L1              18,377,211        1.0092            18,209,682               4                8         .001538492
  RANDOM TOTALS:                 287,223,166                         298,543,678              98            2,379
  CATG D1 EXCEPTION VALUES:        7,114,492                           6,868,370
 TOTAL TEST VALUES (4):          294,337,658                         305,412,048
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:           15,270,602
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            290,141,446 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             294,337,658 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            320,682,650 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             345,865,302 (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