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DATE: 02/10/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 12:07:32                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              110/Hockley                                               VRSN:      P
                                                        110-902/Levelland ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A               53,114,204        0.8717            60,931,747               51            1,860
           2           A               53,172,872        0.8836            60,177,537               39              879
           3           A               53,089,451        0.8788            60,411,301               20              617
           4           A               53,120,616        0.8437            62,961,498               14              393
           5           D3              19,673,017        1.0458            18,811,452               18            2,177
           6           F1              11,220,923        0.8694            12,906,514                7              285
           7           F1              11,148,977        0.9883            11,280,964                7              106
           8           F1              11,641,754        0.9982            11,662,747                7               49
           9           F1              10,756,861        1.0387            10,356,081                5               11
          10           G1             217,731,545        0.9675           225,045,525               16              242
  RANDOM TOTALS:                      494,670,220                         534,545,366              184            6,619
  CATG D1 EXCEPTION VALUES:            21,642,609                          16,444,540
  CATG G1 EXCEPTION VALUES:           204,740,340                         202,314,628
 TOTAL TEST VALUES (4):               721,053,169                         753,304,534
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                37,665,227
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                 715,639,307 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                  721,053,169 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                 790,969,761 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  780,734,524 (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