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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:05:43                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              062/Dewitt                                                VRSN:      W
                                                        062-905/Westhoff ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A                  414,727        0.9533               435,044               7               39         .008551610
      2           A                  418,939        0.9576               437,489               6               18         .009755097
      3           A                  425,851        0.9336               456,139               5               11         .006905334
      4           A                  387,519        0.9986               388,062               4                7         .005016479
      5           D3               7,264,650        0.9495             7,651,027              20            1,034         .035869081
  RANDOM TOTALS:                   8,911,686                           9,367,761              42            1,109
  CATG J  EXCEPTION VALUES:          551,135                             620,431
  CATG D1 EXCEPTION VALUES:        4,066,740                           3,237,626
  CATG G1 EXCEPTION VALUES:        1,215,790                           1,088,043
 TOTAL TEST VALUES (4):           14,745,351                          14,313,861
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:              715,693
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:             13,598,168 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:              14,745,351 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:             15,029,554 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):              15,877,923 (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