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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:36:00                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              019/Bowie                                                 VRSN:      W
                                                        019-906/Redwater ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               22,690,944        0.9065            25,031,378              13              386         .010393055
      2           A               22,680,483        0.9542            23,769,108              10              222         .011096799
      3           A               22,762,868        0.9788            23,255,893              10              161         .011090999
      4           A               22,566,740        0.9690            23,288,689               7              109         .012035677
      5           D3              41,699,742        0.9676            43,096,054              23            1,117         .044625467
  RANDOM TOTALS:                 132,400,777                         138,441,122              63            1,995
  CATG D1 EXCEPTION VALUES:        3,654,763                           3,031,640
 TOTAL TEST VALUES (4):          136,055,540                         141,472,762
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:            7,073,638
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            134,399,124 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             136,055,540 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            148,546,400 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             138,610,265 (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