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DATE: 02/10/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 12:22:48                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              229/Tyler                                                 VRSN:      P
                                                        229-901/Colmesneil ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A                7,978,425        0.8983             8,881,693               15              403
           2           A                7,858,412        0.9510             8,263,314               15              226
           3           A                7,912,732        0.9592             8,249,304               16              153
           4           A                7,848,944        0.9407             8,343,727               15               85
           5           D3              20,739,417        0.3865            53,659,552               22            3,802
  RANDOM TOTALS:                       52,337,930                          87,397,590               83            4,669
  CATG J  EXCEPTION VALUES:             3,401,490                           3,458,530
  CATG D1 EXCEPTION VALUES:            23,432,899                          15,603,183
 TOTAL TEST VALUES (4):                79,172,319                         106,459,303
 MARGIN OF ERROR PERCENT:              44.4772487
 MARGIN OF ERROR VALUE:                47,350,169
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                  59,109,134 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                   79,172,319 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                 153,809,472 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                   79,709,470 (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