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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:31:17                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              181/Orange                                                VRSN:      W
                                                        181-901/Bridge City ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               89,332,451        0.9542            93,620,259              20            1,574         .032725999
      2           A               89,363,139        0.9975            89,587,107              30              996         .039458979
      3           A               89,308,578        0.9747            91,626,734              26              673         .066990762
      4           A               89,185,920        1.0140            87,954,556              14              371         .054720684
  RANDOM TOTALS:                 357,190,088                         362,788,656              90            3,614
  CATG J  EXCEPTION VALUES:      141,764,417                         141,402,750
  CATG D1 EXCEPTION VALUES:          856,828                             672,233
 TOTAL TEST VALUES (4):          499,811,333                         504,863,639
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:           25,243,182
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            479,620,457 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             499,811,333 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            530,106,821 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             593,966,631 (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