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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:47:52                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              074/Fannin                                                VRSN:      W
                                                        074-917/Sam Rayburn ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A                3,796,454        0.8561             4,434,592               7              130         .111002025
      2           A                3,782,624        0.9255             4,087,114               8               79         .039168538
      3           A                3,792,536        0.8737             4,340,776               6               58         .056975450
      4           A                3,750,583        1.0630             3,528,300               8               33         .039023092
      5           D3              45,596,682        0.7262            62,788,050              20            2,303         .081752986
  RANDOM TOTALS:                  60,718,879                          79,178,832              49            2,603
  CATG D1 EXCEPTION VALUES:        6,158,839                           7,829,870
 TOTAL TEST VALUES (4):           66,877,718                          87,008,702
 MARGIN OF ERROR PERCENT:          9.4212577
 MARGIN OF ERROR VALUE:            8,197,314
 CONFIDENCE INTERVAL VALUES (5):
   LOCAL TEST VALUE:              66,877,718 (OUTSIDE CONFIDENCE INTERVAL)
   STATE LOWER LIMIT:             78,811,388 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   STATE UPPER LIMIT:             95,206,016 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):              57,905,263 (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