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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:12:02                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              178/Nueces                                                VRSN:      W
                                                        178-902/Bishop ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               20,514,882        0.9343            21,957,489               8              629         .033766914
      2           A               20,572,513        1.0373            19,832,751               8              378         .006703458
      3           A               20,454,465        1.0193            20,067,169               8              259         .009426783
      4           A               20,507,322        1.0040            20,425,620               8              162         .004685096
      5           D3              13,555,087        1.0038            13,503,773              14            1,282         .003464767
      6           G1              45,137,898        0.9565            47,190,693               8               45         .025696777
  RANDOM TOTALS:                 140,742,167                         142,977,495              54            2,755
  CATG J  EXCEPTION VALUES:       12,940,946                          11,831,114
  CATG D1 EXCEPTION VALUES:       32,044,296                          30,972,857
 TOTAL TEST VALUES (4):          185,727,409                         185,781,466
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:            9,289,073
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            176,492,393 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             185,727,409 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            195,070,539 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             469,945,436 (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