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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:23:56                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              242/Wheeler                                               VRSN:      W
                                                        242-906/Fort Elliott CISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           D3              15,366,450        0.7582            20,267,014              18            2,042         .209246284
      2           G1             141,946,333        1.0496           135,238,503              15              193         .012346486
      3           G1             141,736,494        1.0249           138,292,998              19               99         .034544983
      4           G1             141,755,200        1.0600           133,731,321              28               54         .020186528
      5           G1             139,844,133        1.0418           134,233,186              18               22         .015708398
  RANDOM TOTALS:                 580,648,610                         561,763,022              98            2,410
  CATG J  EXCEPTION VALUES:        6,630,718                           6,342,951
  CATG D1 EXCEPTION VALUES:       15,405,640                          17,976,254
 TOTAL TEST VALUES (4):          602,684,968                         586,082,227
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:           29,304,111
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            556,778,116 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             602,684,968 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            615,386,338 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             737,771,993 (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