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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:55:43                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              109/Hill                                                  VRSN:      W
                                                        109-908/Malone ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A                1,100,839        0.7993             1,377,254               7               46         .062989643
      2           A                1,092,507        0.9459             1,154,992               8               26         .022867978
      3           A                1,100,859        1.0803             1,019,031               5               19         .018441573
      4           A                1,067,592        0.9839             1,085,061               7               13         .003153889
      5           D3               7,570,290        0.9679             7,821,356              29              561         .012916065
      6           F1                 949,000        1.0600               895,283              16               31         .178339923
      7           L1               1,105,710        1.0165             1,087,762              17               39         .014425472
  RANDOM TOTALS:                  13,986,797                          14,440,739              89              735
  CATG J  EXCEPTION VALUES:        1,966,210                           1,899,299
  CATG D1 EXCEPTION VALUES:        4,437,818                           4,411,530
 TOTAL TEST VALUES (4):           20,390,825                          20,751,568
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:            1,037,578
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:             19,713,990 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:              20,390,825 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:             21,789,146 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):              19,084,955 (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