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DATE: 01/27/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:59:23                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              044/Collingsworth                                         VRSN:      W
                                                        065-902/Hedley ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

                              NO RANDOM TEST VALUES
  RANDOM TOTALS:                           0                                   0               0                0
  CATG D1 EXCEPTION VALUES:        4,767,920                           5,179,577
  CATG D3 EXCEPTION VALUES:        1,216,220                           1,344,817
 TOTAL TEST VALUES (4):            5,984,140                           6,524,394
 MARGIN OF ERROR PERCENT:          5.0000046
 MARGIN OF ERROR VALUE:              326,220
 CONFIDENCE INTERVAL VALUES (5):
   LOCAL TEST VALUE:               5,984,140 (OUTSIDE CONFIDENCE INTERVAL)
   STATE LOWER LIMIT:              6,198,174 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   STATE UPPER LIMIT:              6,850,614 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):               6,480,042 (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