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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:07:47                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              161/McLennan                                              VRSN:      W
                                                        161-923/Bosqueville ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               10,736,830        0.9925            10,817,965               7              164         .015012432
      2           A               10,722,782        1.0364            10,346,181               8              116         .005631566
      3           A               10,646,181        1.0416            10,220,988               8               99         .022818178
      4           A               10,680,072        1.0213            10,457,331               7               62         .005804641
      5           D3              11,786,963        0.9519            12,382,564              10              428         .004321771
      6           F1               9,516,867        0.9660             9,851,829               8               46         .006866248
      7           L1               6,032,644        1.0805             5,583,197               6               29         .018989090
      8           L1               5,763,635        1.0068             5,724,707               3                5         .002584701
      9           L1               5,983,941        1.0200             5,866,609               2                3         .000837716
  RANDOM TOTALS:                  81,869,915                          81,251,371              59              952
  CATG D1 EXCEPTION VALUES:        1,294,023                           1,287,422
  CATG L1 EXCEPTION VALUES:        5,148,000                           5,148,000
 TOTAL TEST VALUES (4):           88,311,938                          87,686,793
 MARGIN OF ERROR PERCENT:          5.0000004
 MARGIN OF ERROR VALUE:            4,384,340
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:             83,302,453 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:              88,311,938 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:             92,071,133 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):              91,884,658 (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