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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:18:26                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              119/Jack                                                  VRSN:      W
                                                        119-902/Jacksboro ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               14,149,161        0.9540            14,831,406               7              644         .011394998
      2           A               14,167,071        0.9425            15,031,375               9              317         .013764194
      3           A               14,182,879        0.9374            15,130,018               9              205         .005344823
      4           A               14,056,181        1.0075            13,951,544              10              113         .006731224
      5           D3              52,809,030        0.9317            56,680,294              31            5,525         .042752218
      6           F1               3,557,374        0.9729             3,656,464               9               88         .008488483
      7           F1               3,572,018        0.9376             3,809,746              10               43         .036526094
      8           F1               3,806,569        0.7703             4,941,671               7               20         .324517069
      9           F1               3,255,151        0.9694             3,357,903               4                5         .001824939
     10           G1              34,035,776        1.0140            33,565,854               7              344         .030090210
     11           G1              33,755,490        0.9669            34,911,046               7              127         .018207804
     12           G1              34,165,570        1.2125            28,177,790               6               60         .028614095
     13           G1              33,446,210        1.0829            30,885,779               5               23         .013485579
  RANDOM TOTALS:                 258,958,480                         258,930,890             121            7,514
  CATG J  EXCEPTION VALUES:       18,388,901                          20,387,126
  CATG D1 EXCEPTION VALUES:       20,528,640                          22,754,836
 TOTAL TEST VALUES (4):          297,876,021                         302,072,852
 MARGIN OF ERROR PERCENT:          5.0000001
 MARGIN OF ERROR VALUE:           15,103,643
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            286,969,209 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             297,876,021 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            317,176,495 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             408,691,020 (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