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DATE: 01/27/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:01:25                                       2005 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   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A                1,485,098        0.9987             1,487,031               6               55         .019285876
      2           A                1,443,238        0.9487             1,521,280               6               33         .030516828
      3           A                1,501,876        0.9140             1,643,190               5               24         .026799321
      4           A                1,408,416        0.9952             1,415,209               5               15         .000738621
      5           D3              22,901,910        1.0313            22,206,836              23            1,067         .139210346
  RANDOM TOTALS:                  28,740,538                          28,273,546              45            1,194
  CATG J  EXCEPTION VALUES:        2,941,152                           2,925,027
  CATG D1 EXCEPTION VALUES:        3,513,910                           3,256,855
 TOTAL TEST VALUES (4):           35,195,600                          34,455,428
 MARGIN OF ERROR PERCENT:         10.0651572
 MARGIN OF ERROR VALUE:            3,467,993
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:             30,987,435 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:              35,195,600 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:             37,923,421 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):              31,097,621 (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