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DATE: 06/22/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:08:30                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              112/Hopkins                                               VRSN:      W
                                                        112-909/Saltillo ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A                1,378,984        1.0173             1,355,533                7               57
           2           A                1,363,230        0.9537             1,429,412                6               34
           3           A                1,423,135        0.9612             1,480,582                6               25
           4           A                1,340,901        1.0709             1,252,125                7               16
           5           D3              19,903,330        0.9976            19,951,213               24            1,068
  RANDOM TOTALS:                       25,409,580                          25,468,865               50            1,200
  CATG J  EXCEPTION VALUES:             3,513,690                           3,458,141
  CATG D1 EXCEPTION VALUES:             3,563,170                           3,405,455
 TOTAL TEST VALUES (4):                32,486,440                          32,332,461
 MARGIN OF ERROR PERCENT:               6.6572198
 MARGIN OF ERROR VALUE:                 2,152,443
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                  30,180,018 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                   32,486,440 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                  34,484,904 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                   28,778,645 (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