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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:37:29                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              025/Brown                                                 VRSN:      W
                                                        025-905/May ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A                7,793,460        0.7871             9,901,486               8              539         .110405851
      2           A                7,826,778        0.8737             8,958,198              10              249         .018909754
      3           A                7,760,688        0.8823             8,795,974               9              141         .034973595
      4           A                7,747,031        1.0225             7,576,558               9               48         .010622455
      5           C                3,291,047        0.8714             3,776,735               9            1,022         .053215372
      6           C                3,233,649        1.0536             3,069,143              11              473         .041398075
      7           C                3,322,986        0.9900             3,356,552              11              259         .024544315
      8           C                3,190,878        1.0105             3,157,722              12               68         .030592757
      9           D3              27,606,660        1.0664            25,887,716              26            2,156         .058076108
  RANDOM TOTALS:                  71,773,177                          74,480,084             105            4,955
  CATG J  EXCEPTION VALUES:        2,263,828                           2,222,061
  CATG D1 EXCEPTION VALUES:        9,508,839                           9,488,911
 TOTAL TEST VALUES (4):           83,545,844                          86,191,056
 MARGIN OF ERROR PERCENT:          5.0000002
 MARGIN OF ERROR VALUE:            4,309,553
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:             81,881,503 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:              83,545,844 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:             90,500,609 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):              85,508,302 (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