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DATE: 06/22/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:25:58                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              248/Winkler                                               VRSN:      W
                                                        248-902/Wink-Loving ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A                1,886,216        0.9359             2,015,403                9              156
           2           A                1,858,588        1.0556             1,760,693               10               81
           3           A                1,874,347        0.9983             1,877,539                9               58
           4           A                1,879,525        0.9166             2,050,540               10               36
           5           G1             445,486,460        1.0003           445,352,854               19              619
  RANDOM TOTALS:                      452,985,136                         453,057,029               57              950
  CATG J  EXCEPTION VALUES:            18,481,903                          18,493,547
  CATG D1 EXCEPTION VALUES:             1,485,860                           3,223,149
 TOTAL TEST VALUES (4):               472,952,899                         474,773,725
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                23,738,686
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                 451,035,039 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                  472,952,899 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                 498,512,411 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  526,821,417 (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