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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:33:55                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              011/Bastrop                                               VRSN:      W
                                                        011-904/Smithville ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               58,650,837        0.8693            67,469,041              12            2,727         .065863006
      2           A               58,573,476        0.9527            61,481,553              20              913         .033247384
      3           A               58,666,211        0.9945            58,990,660              19              540         .024250598
      4           A               58,543,218        0.9298            62,963,237              17              308         .012926507
      5           D3             133,822,410        1.0053           133,116,890              58            7,515         .033516750
      6           F1               5,879,248        0.8277             7,103,115               7              218         .034155762
      7           F1               5,920,140        0.8834             6,701,540               7               81         .055438698
      8           F1               5,880,833        0.9022             6,518,325               6               32         .030730196
      9           F1               5,762,119        1.0812             5,329,374               4                9         .076776728
  RANDOM TOTALS:                 391,698,492                         409,673,735             150           12,343
  CATG J  EXCEPTION VALUES:       12,644,372                          12,407,799
  CATG D1 EXCEPTION VALUES:        9,138,291                          10,813,289
 TOTAL TEST VALUES (4):          413,481,155                         432,894,823
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:           21,644,741
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            411,250,082 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             413,481,155 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            454,539,564 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             424,757,676 (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