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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:54:43                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              107/Henderson                                             VRSN:      W
                                                        107-908/Murchison ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A                2,457,909        0.9425             2,607,861               6               71         .002753727
      2           A                2,422,442        0.9401             2,576,792               6               44         .002568610
      3           A                2,470,633        0.9425             2,621,361               7               34         .002840988
      4           A                2,354,571        0.9364             2,514,493               5               23         .006281039
      5           D3               7,397,450        0.9752             7,585,572              15              251         .005887710
      6           G1              10,450,475        0.9825            10,636,616               5               11         .009630416
  RANDOM TOTALS:                  27,553,480                          28,542,695              44              434
  CATG J  EXCEPTION VALUES:        2,784,780                           2,676,728
  CATG D1 EXCEPTION VALUES:          549,560                             504,006
 TOTAL TEST VALUES (4):           30,887,820                          31,723,429
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:            1,586,171
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:             30,137,258 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:              30,887,820 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:             33,309,600 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):              33,082,387 (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