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DATE: 06/22/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:20:53                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              210/Shelby                                                VRSN:      W
                                                        210-906/Excelsior ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A                3,301,090        0.9650             3,420,819               20               97
           2           D3               4,132,757        1.0135             4,077,708               11              475
  RANDOM TOTALS:                        7,433,847                           7,498,527               31              572
  CATG J  EXCEPTION VALUES:               620,712                             624,506
  CATG D1 EXCEPTION VALUES:             3,451,680                           2,604,883
 TOTAL TEST VALUES (4):                11,506,239                          10,727,916
 MARGIN OF ERROR PERCENT:               5.5827898
 MARGIN OF ERROR VALUE:                   598,917
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                  10,128,999 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   STATE UPPER LIMIT:                  11,326,833 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                   11,506,239 (OUTSIDE CONFIDENCE INTERVAL)
 VALUE ASSIGNED (6):                    9,387,385 (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