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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:07:14                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              071/El Paso                                               VRSN:      W
                                                        071-904/San Elizario ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               22,473,633        1.0078            22,299,695              17            1,127         .003792321
      2           A               22,470,021        0.8689            25,860,307              15              670         .024041639
      3           A               22,454,973        0.9407            23,870,493              18              433         .013797641
      4           A               22,405,498        1.0705            20,929,937              18              276         .014997832
      5           C                2,108,851        0.9553             2,207,527              10              156         .008454264
      6           C                1,993,689        1.0002             1,993,290              10              124         .011706232
      7           C                2,057,516        1.0211             2,015,000              10              119         .012695937
      8           C                2,014,686        0.9557             2,108,074              10               93         .021652488
      9           D3               7,875,578        0.9632             8,176,472              11              621         .003160238
  RANDOM TOTALS:                 105,854,445                         109,460,795             119            3,619
  CATG D1 EXCEPTION VALUES:        3,276,860                           4,035,762
 TOTAL TEST VALUES (4):          109,131,305                         113,496,557
 MARGIN OF ERROR PERCENT:          5.0000001
 MARGIN OF ERROR VALUE:            5,674,828
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            107,821,729 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             109,131,305 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            119,171,385 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             107,576,388 (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