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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:37:35                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              025/Brown                                                 VRSN:      W
                                                        025-908/Brookesmith ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A                  573,716        0.9818               584,351               8               31         .000313027
      2           A                  549,218        0.9758               562,839               5               14         .000211153
      3           D3              22,175,470        0.9703            22,854,241              32            1,563         .037017804
  RANDOM TOTALS:                  23,298,404                          24,001,431              45            1,608
  CATG J  EXCEPTION VALUES:        5,263,380                           5,430,899
  CATG D1 EXCEPTION VALUES:        7,185,747                           6,780,578
  CATG A  EXCEPTION VALUES:          902,360                             908,144
 TOTAL TEST VALUES (4):           36,649,891                          37,121,052
 MARGIN OF ERROR PERCENT:          5.0000011
 MARGIN OF ERROR VALUE:            1,856,053
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:             35,264,999 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:              36,649,891 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:             38,977,105 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):              35,433,302 (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