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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:31:25                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              181/Orange                                                VRSN:      W
                                                        181-907/Vidor ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A              111,314,703        0.8573           129,843,349              18            2,860         .141049109
      2           A              111,166,052        1.0504           105,832,113              24            1,707         .055182228
      3           A              111,319,643        1.0001           111,308,512              36            1,226         .038145684
      4           A              111,039,068        1.0783           102,976,044              30              738         .115758397
      5           D3              26,556,718        1.0006            26,540,794              17           51,292         .010596849
  RANDOM TOTALS:                 471,396,184                         476,500,812             125           57,823
  CATG J  EXCEPTION VALUES:       24,350,021                          25,745,597
  CATG D1 EXCEPTION VALUES:       14,459,032                          11,586,938
 TOTAL TEST VALUES (4):          510,205,237                         513,833,347
 MARGIN OF ERROR PERCENT:          5.5724780
 MARGIN OF ERROR VALUE:           28,633,250
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            485,200,097 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             510,205,237 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            542,466,597 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             584,534,151 (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