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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:30:11                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              177/Nolan                                                 VRSN:      W
                                                        177-905/Highland ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           D3               6,946,581        0.9866             7,040,929              27              811         .002049882
      2           G1               3,770,849        1.0268             3,672,428              10               14         .006048908
      3           G1               4,273,570        1.0070             4,243,863               6                8         .016806499
  RANDOM TOTALS:                  14,991,000                          14,957,220              43              833
  CATG J  EXCEPTION VALUES:        4,379,718                           5,855,447
  CATG D1 EXCEPTION VALUES:        6,028,622                           6,828,511
  CATG G1 EXCEPTION VALUES:       20,886,780                          20,705,345
 TOTAL TEST VALUES (4):           46,286,120                          48,346,523
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:            2,417,326
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:             45,929,197 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:              46,286,120 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:             50,763,849 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):              85,338,199 (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