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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:00:39                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              037/Cherokee                                              VRSN:      W
                                                        037-909/Wells ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A                2,542,559        0.9427             2,697,103               7              143         .002167155
      2           A                2,554,388        0.9549             2,675,032               7               77         .078642000
      3           A                2,583,589        1.0456             2,470,915               7               50         .005140466
      4           A                2,476,103        0.9923             2,495,317               6               29         .000872320
      5           D3              14,629,420        1.0249            14,273,997              11            1,499         .023824584
      6           G1               1,168,630        1.0130             1,153,633               3                5         .000910500
  RANDOM TOTALS:                  25,954,689                          25,765,997              41            1,803
  CATG J  EXCEPTION VALUES:        2,477,440                           2,571,806
  CATG D1 EXCEPTION VALUES:        9,602,520                           9,621,424
 TOTAL TEST VALUES (4):           38,034,649                          37,959,227
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:            1,897,961
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:             36,061,266 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:              38,034,649 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:             39,857,188 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):              34,002,195 (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