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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:38:32                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              222/Terrell                                               VRSN:      W
                                                        222-901/Terrell County ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           D3               7,827,150        0.9273             8,440,796               9            5,511         .006758580
      2           G1             104,378,380        0.9480           110,103,776               6               83         .030427600
      3           G1             106,328,460        0.9770           108,831,586               6               27         .001060605
      4           G1             107,024,930        0.9794           109,276,016               4               12         .001368277
      5           G1              96,029,210        1.0091            95,163,225               3                5         .000175336
  RANDOM TOTALS:                 421,588,130                         431,815,399              28            5,638
  CATG J  EXCEPTION VALUES:       16,751,547                          16,752,371
  CATG D1 EXCEPTION VALUES:       13,231,421                          18,463,130
 TOTAL TEST VALUES (4):          451,571,098                         467,030,900
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:           23,351,545
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            443,679,355 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             451,571,098 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            490,382,445 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             515,921,906 (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