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DATE: 02/10/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 12:20:20                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              210/Shelby                                                VRSN:      P
                                                        210-902/Joaquin ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A                7,759,498        0.9193             8,440,659                7              345
           2           A                7,742,705        1.0299             7,517,919                7              182
           3           A                7,715,078        1.0173             7,583,877                7              122
           4           A                7,711,672        1.1177             6,899,590                8               65
           5           D3              25,454,068        1.0016            25,413,407               13            2,430
           6           G1             106,586,830        0.9899           107,674,341               24              160
  RANDOM TOTALS:                      162,969,851                         163,529,793               66            3,304
  CATG D1 EXCEPTION VALUES:             8,576,940                           8,933,978
 TOTAL TEST VALUES (4):               171,546,791                         172,463,771
 MARGIN OF ERROR PERCENT:               5.0000003
 MARGIN OF ERROR VALUE:                 8,623,189
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                 163,840,582 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                  171,546,791 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                 181,086,960 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  174,743,753 (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