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DATE: 02/10/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 12:12:50                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              150/Llano                                                 VRSN:      P
                                                        150-901/Llano ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A              322,526,950        0.9879           326,477,326               59            3,424
           2           A              322,520,845        0.9883           326,339,011               51            1,540
           3           A              322,566,234        1.0020           321,922,389               51              921
           4           A              322,159,233        0.9571           336,599,345               42              444
           5           C               37,270,374        0.9890            37,684,908               35            4,296
           6           C               37,529,350        0.9652            38,882,460               37            1,447
           7           C               37,154,798        0.9748            38,115,304               16              558
           8           C               37,084,408        0.9700            38,231,348               19              136
           9           D3              96,475,976        0.9887            97,578,614               25            6,859
          10           F1              24,094,001        0.9919            24,290,756                7              285
          11           F1              24,407,076        1.0252            23,807,136                7              108
          12           F1              24,708,574        0.9578            25,797,217                6               43
          13           F1              23,242,670        1.0154            22,890,162                4                9
  RANDOM TOTALS:                    1,631,740,489                       1,658,615,976              359           20,070
  CATG D1 EXCEPTION VALUES:            35,723,050                          37,683,376
 TOTAL TEST VALUES (4):             1,667,463,539                       1,696,299,352
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                84,814,968
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:               1,611,484,384 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                1,667,463,539 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:               1,781,114,320 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                1,543,254,155 (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