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DATE: 01/27/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:02:01                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              154/Madison                                               VRSN:      W
                                                        154-903/North Zulch ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A                2,217,335        1.0452             2,121,446               9              102         .056785801
      2           A                2,212,463        1.0008             2,210,694               7               60         .026703824
      3           A                2,213,721        1.0853             2,039,732               8               42         .069021901
      4           A                2,193,102        0.8872             2,471,936               9               26         .032864235
      5           D3              25,151,260        0.8524            29,506,405              20            1,494         .081058379
      6           G1               2,828,353        1.1471             2,465,655               5               23         .223835026
      7           G1               2,908,506        0.9789             2,971,198               4               12         .005614859
      8           G1               2,953,778        1.0521             2,807,507               4                8         .006009374
      9           G1               2,581,749        1.0580             2,440,216               3                5         .003690935
  RANDOM TOTALS:                  45,260,267                          49,034,789              69            1,772
  CATG J  EXCEPTION VALUES:        5,533,000                           5,504,997
  CATG D1 EXCEPTION VALUES:        3,002,610                           2,880,858
  CATG G1 EXCEPTION VALUES:       11,280,338                          10,945,995
 TOTAL TEST VALUES (4):           65,076,215                          68,366,639
 MARGIN OF ERROR PERCENT:          5.7009340
 MARGIN OF ERROR VALUE:            3,897,537
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:             64,469,102 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:              65,076,215 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:             72,264,176 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):              97,011,891 (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