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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:48:16                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              077/Floyd                                                 VRSN:      W
                                                        077-902/Lockney ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A                5,459,004        0.7611             7,172,519              12              282         .067351035
      2           A                5,386,758        0.7877             6,838,591              12              158         .031603311
      3           A                5,432,180        0.8941             6,075,584              11               94         .024430052
      4           A                5,411,022        1.0194             5,308,046              10               49         .008478447
      5           D3              11,631,910        0.9953            11,686,838              20            1,520         .004999909
      6           F1                 928,117        0.9162             1,013,007               6               35         .007494647
      7           F1                 924,085        0.9550               967,628               5               12         .011507548
      8           F1               1,072,500        0.9386             1,142,659               4                5         .002217740
      9           L1               1,001,522        1.0906               918,322               5               21         .033426310
     10           L1                 992,465        0.8891             1,116,258               4               10         .060919250
     11           L1                 979,263        0.9712             1,008,302               3                5         .026503246
  RANDOM TOTALS:                  39,218,826                          43,247,754              92            2,191
  CATG J  EXCEPTION VALUES:        5,067,671                           4,768,157
  CATG D1 EXCEPTION VALUES:       26,175,930                          13,862,566
  CATG F1 EXCEPTION VALUES:          584,860                             572,665
  CATG L1 EXCEPTION VALUES:          797,630                             799,221
 TOTAL TEST VALUES (4):           71,844,917                          63,250,363
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:            3,162,518
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:             60,087,845 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   STATE UPPER LIMIT:             66,412,881 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:              71,844,917 (OUTSIDE CONFIDENCE INTERVAL)
 VALUE ASSIGNED (6):              83,571,177 (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