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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:01:06                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              041/Coke                                                  VRSN:      W
                                                        041-902/Robert Lee ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               30,836,930        1.0281            29,994,096              22            1,094         .003888914
      2           D3              12,706,810        1.0824            11,739,477              15            1,856         .040648796
      3           G1               4,434,430        1.0312             4,300,262               5               18         .040861875
      4           G1               4,789,609        1.0273             4,662,327               4               10         .002751932
      5           G1               4,314,850        1.0699             4,032,947               3                5         .021420332
  RANDOM TOTALS:                  57,082,629                          54,729,109              49            2,983
  CATG J  EXCEPTION VALUES:       11,464,001                          10,615,599
  CATG D1 EXCEPTION VALUES:       10,548,090                           8,729,386
  CATG G1 EXCEPTION VALUES:       32,655,166                          32,555,687
 TOTAL TEST VALUES (4):          111,749,886                         106,629,781
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:            5,331,489
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            101,298,292 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             111,749,886 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            111,961,270 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             129,680,683 (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