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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:16:07                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              110/Hockley                                               VRSN:      W
                                                        110-902/Levelland ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               55,014,096        0.8184            67,221,525              62            1,864         .075335152
      2           A               55,050,068        0.8714            63,174,280              54              874         .013381802
      3           A               55,037,840        0.8778            62,699,749              40              618         .014662502
      4           A               54,927,300        0.8286            66,289,283              25              392         .057762551
      5           D3              19,657,168        1.0047            19,565,212              11            2,091         .159226225
      6           F1              11,647,160        0.9118            12,773,810               7              290         .165503093
      7           F1              11,671,380        0.9453            12,346,747               7              105         .087787975
      8           F1              12,020,908        0.8455            14,217,514               6               43         .009965340
      9           F1              11,146,689        0.8107            13,749,462               4                7         .044789872
     10           G1              76,106,623        1.1197            67,970,548               6               57         .006812963
     11           G1              74,273,271        1.0356            71,720,038               4                8         .000327593
     12           G1              99,753,532        1.0826            92,142,557               3                4         .003390557
  RANDOM TOTALS:                 536,306,035                         563,870,725             229            6,353
  CATG D1 EXCEPTION VALUES:       22,243,027                          14,194,072
  CATG G1 EXCEPTION VALUES:      325,267,490                         324,755,699
 TOTAL TEST VALUES (4):          883,816,552                         902,820,496
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:           45,141,025
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            857,679,471 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             883,816,552 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            947,961,521 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             975,622,314 (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