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DATE: 06/22/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:17:59                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              184/Parker                                                VRSN:      W
                                                        184-902/Springtown ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A               72,759,414        1.2341            58,957,470               10            1,433
           2           A               72,760,684        1.0608            68,590,388               12              907
           3           A               72,774,543        0.9978            72,935,000               12              691
           4           A               72,782,695        0.9793            74,321,143               12              448
           5           D3             135,242,150        0.9884           136,829,371               19            4,189
  RANDOM TOTALS:                      426,319,486                         411,633,372               65            7,668
  CATG D1 EXCEPTION VALUES:             4,349,530                           3,401,620
 TOTAL TEST VALUES (4):               430,669,016                         415,034,992
 MARGIN OF ERROR PERCENT:               5.0000001
 MARGIN OF ERROR VALUE:                20,751,750
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                 394,283,242 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                  430,669,016 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                 435,786,742 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  490,379,969 (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