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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:54:31                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              107/Henderson                                             VRSN:      W
                                                        107-902/Brownsboro ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               80,200,327        0.9987            80,304,723              18            2,001         .028628097
      2           A               80,182,788        0.9984            80,311,286              17              907         .019759257
      3           A               80,177,483        1.0268            78,084,810              16              580         .011697459
      4           A               79,977,235        1.0690            74,815,000              16              367         .013516943
      5           D3              96,033,270        1.0078            95,290,008              29            3,675         .050905032
      6           G1              68,831,725        0.9933            69,296,008               7               28         .003314048
  RANDOM TOTALS:                 485,402,828                         478,101,835             103            7,558
  CATG D1 EXCEPTION VALUES:        8,554,270                           8,264,043
 TOTAL TEST VALUES (4):          493,957,098                         486,365,878
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:           24,318,294
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            462,047,584 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             493,957,098 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            510,684,172 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             487,170,796 (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