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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:42:23                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              244/Wilbarger                                             VRSN:      W
                                                        244-901/Harrold ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           G1               3,081,330        1.0177             3,027,739               8               21         .023483373
      2           G1               3,588,800        0.9188             3,905,964               3                4         .019770995
  RANDOM TOTALS:                   6,670,130                           6,933,703              11               25
  CATG J  EXCEPTION VALUES:        6,759,133                           6,508,300
  CATG D1 EXCEPTION VALUES:        5,171,750                           5,886,280
  CATG G1 EXCEPTION VALUES:        5,258,690                           4,524,480
 TOTAL TEST VALUES (4):           23,859,703                          23,852,763
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:            1,192,638
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:             22,660,125 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:              23,859,703 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:             25,045,401 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):              29,796,301 (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