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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:48:56                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              083/Gaines                                                VRSN:      W
                                                        083-901/Seagraves ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A                5,191,382        0.8220             6,315,550               7              308         .092072079
      2           A                5,217,442        0.9079             5,746,714               8              149         .037561785
      3           A                5,211,914        0.8853             5,887,173               9               96         .025371151
      4           A                5,125,557        1.0328             4,962,778               9               61         .012123911
      5           D3               8,845,297        0.7901            11,195,161              12              741         .068202061
      6           F1               1,076,403        1.0544             1,020,868              10               56         .041121012
      7           F1               1,057,549        0.9414             1,123,379               6               21         .067023389
      8           F1               1,102,424        0.9304             1,184,893               4                9         .025531130
      9           G1              78,699,877        1.0666            73,785,746              13               41         .003857106
     10           L1                 573,883        0.9649               594,759               6               28         .014462943
     11           L1                 543,676        0.9957               546,024               5                8         .010656129
     12           L1                 654,407        0.9632               679,409               3                7         .019152673
  RANDOM TOTALS:                 113,299,811                         113,042,454              92            1,525
  CATG J  EXCEPTION VALUES:        3,976,983                           3,643,008
  CATG D1 EXCEPTION VALUES:       14,680,863                          15,244,058
  CATG F1 EXCEPTION VALUES:        1,398,620                           1,818,997
  CATG L1 EXCEPTION VALUES:          854,500                             822,901
 TOTAL TEST VALUES (4):          134,210,777                         134,571,418
 MARGIN OF ERROR PERCENT:          5.0000001
 MARGIN OF ERROR VALUE:            6,728,571
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            127,842,847 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             134,210,777 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            141,299,989 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             153,545,657 (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