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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:28:29                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              174/Nacogdoches                                           VRSN:      W
                                                        174-902/Cushing ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A                6,227,203        1.0377             6,000,967               5              237         .004263655
      2           A                6,199,357        0.8662             7,156,958               9              129         .031791034
      3           A                6,273,498        0.9807             6,396,959               6               86         .006023904
      4           A                6,150,358        1.0508             5,853,024               7               50         .017084113
      5           D3              31,317,320        0.8360            37,460,909              12            2,967         .104853082
      6           G1              46,117,959        0.9974            46,238,178               5               15         .000086987
      7           G1              44,467,330        0.9918            44,834,977               3                5         .000144395
  RANDOM TOTALS:                 146,753,025                         153,941,972              47            3,489
  CATG J  EXCEPTION VALUES:        4,539,356                           4,804,001
  CATG D1 EXCEPTION VALUES:       18,360,380                          14,911,037
  CATG G1 EXCEPTION VALUES:       74,072,360                          75,085,553
 TOTAL TEST VALUES (4):          243,725,121                         248,742,563
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:           12,437,128
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            236,305,435 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             243,725,121 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            261,179,691 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             258,382,590 (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