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DATE: 02/10/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 12:07:30                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              110/Hockley                                               VRSN:      P
                                                        110-901/Anton ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A                2,854,770        0.8365             3,412,756                7              180
           2           A                2,870,014        0.8165             3,515,020                7               88
           3           A                2,867,284        0.8319             3,446,669                7               58
           4           A                2,825,060        0.8971             3,149,103                6               36
           5           D3               4,719,529        0.9569             4,932,103               12              655
           6           G1              20,879,826        0.6137            34,022,855                6               29
  RANDOM TOTALS:                       37,016,483                          52,478,506               45            1,046
  CATG J  EXCEPTION VALUES:             3,275,750                           3,348,039
  CATG D1 EXCEPTION VALUES:             6,061,478                           4,709,803
  CATG G1 EXCEPTION VALUES:            22,955,324                          26,512,594
 TOTAL TEST VALUES (4):                69,309,035                          87,048,942
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                 4,352,447
 CONFIDENCE INTERVAL VALUES (5):
   LOCAL TEST VALUE:                   69,309,035 (OUTSIDE CONFIDENCE INTERVAL)
   STATE LOWER LIMIT:                  82,696,495 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   STATE UPPER LIMIT:                  91,401,389 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                   87,485,796 (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