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DATE: 01/26/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:24:19                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              142/LaSalle                                               VRSN:      W
                                                        142-901/Cotulla ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               33,535,817        0.8178            41,007,358              23            1,842         .086411835
      2           D3              12,531,325        0.6429            19,491,873              26            3,659         .135586362
      3           F1               5,840,730        0.9396             6,216,188              10              187         .003464391
      4           G1              39,998,586        1.0478            38,173,875               7              127         .013824170
      5           G1              39,673,789        0.9991            39,709,528               6               54         .004433485
      6           G1              40,539,957        1.0457            38,768,248               6               30         .029124803
      7           G1              37,755,777        1.1263            33,521,954               5               13         .028741846
      8           L1              26,555,730        0.9863            26,924,597              10              206         .023471479
  RANDOM TOTALS:                 236,431,711                         243,813,621              93            6,118
  CATG J  EXCEPTION VALUES:       20,856,914                          21,374,029
  CATG D1 EXCEPTION VALUES:       53,537,246                          59,130,627
 TOTAL TEST VALUES (4):          310,825,871                         324,318,277
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:           16,215,914
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            308,102,363 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             310,825,871 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            340,534,191 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             345,861,526 (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