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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:23:19                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              148/Lipscomb                                              VRSN:      W
                                                        148-901/Booker ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A                3,465,034        0.8131             4,261,510               9              146         .065242313
      2           A                3,458,920        0.7137             4,846,462               6               72         .006861132
      3           A                3,488,736        0.8471             4,118,446               6               55         .007815421
      4           A                3,416,714        0.7781             4,391,099               6               36         .015554216
      5           D3               5,079,357        0.9118             5,570,692              10              905         .024249843
      6           G1              23,153,409        1.0632            21,777,097              12              107         .026569746
      7           G1              23,289,314        0.9986            23,321,965              11               44         .005835655
      8           G1              23,854,008        1.0012            23,825,417               9               22         .006782782
      9           G1              21,326,997        0.9803            21,755,582               5                7         .006387523
  RANDOM TOTALS:                 110,532,489                         113,868,270              74            1,394
  CATG J  EXCEPTION VALUES:        3,396,352                           3,219,592
  CATG D1 EXCEPTION VALUES:        9,580,750                          11,395,064
 TOTAL TEST VALUES (4):          123,509,591                         128,482,926
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:            6,424,146
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            122,058,780 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             123,509,591 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            134,907,072 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             140,722,381 (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