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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:15:05                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              190/Rains                                                 VRSN:      W
                                                        190-903/Rains ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               45,030,587        1.0088            44,637,775              19            1,083         .077771092
      2           A               45,066,045        0.8424            53,497,204              20              612         .170472747
      3           A               45,040,425        0.9653            46,659,510              26              376         .063198668
      4           A               44,888,733        0.9877            45,447,740              12              194         .033218677
      5           D3             127,237,495        0.9421           135,057,313              66            2,880         .112701304
      6           F1               6,560,346        0.9624             6,816,652               6              112         .015275923
      7           F1               6,440,434        0.9499             6,780,118               7               37         .015320655
      8           F1               6,846,810        0.9960             6,874,307               5               15         .007210298
      9           F1               6,081,592        0.9743             6,242,012               3                4         .000587800
     10           G1              47,977,224        0.9838            48,767,254               8               18         .037541436
  RANDOM TOTALS:                 381,169,691                         400,779,885             172            5,331
  CATG D1 EXCEPTION VALUES:       10,678,456                           9,031,734
 TOTAL TEST VALUES (4):          391,848,147                         409,811,619
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:           20,490,581
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            389,321,038 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             391,848,147 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            430,302,200 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             372,259,708 (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