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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:26:19                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              166/Milam                                                 VRSN:      W
                                                        166-903/Milano ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A                1,831,919        0.7880             2,324,770              12              112         .047527088
      2           A                1,849,261        0.8813             2,098,333              11               57         .052348391
      3           A                1,843,936        0.9108             2,024,523              11               38         .061619108
      4           A                1,775,296        1.1319             1,568,421               8               21         .070107313
      5           D3              36,249,558        0.9863            36,753,075              20            2,285         .071257865
  RANDOM TOTALS:                  43,549,970                          44,769,122              62            2,513
  CATG J  EXCEPTION VALUES:       10,441,051                          11,223,468
  CATG D1 EXCEPTION VALUES:        5,343,230                           5,473,816
 TOTAL TEST VALUES (4):           59,334,251                          61,466,406
 MARGIN OF ERROR PERCENT:          7.1556518
 MARGIN OF ERROR VALUE:            4,398,322
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:             57,068,084 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:              59,334,251 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:             65,864,728 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):              58,893,019 (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