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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:26:09                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              166/Milam                                                 VRSN:      W
                                                        166-901/Cameron ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               22,646,441        0.7890            28,702,714              11              855         .049592121
      2           A               22,643,348        0.8179            27,684,739              11              453         .062669868
      3           A               22,607,538        1.0565            21,398,522              11              284         .026500547
      4           A               22,613,836        0.9794            23,089,479              10              162         .028957286
      5           D3              64,882,412        0.9352            69,378,114              23            4,576         .038401855
      6           F1               7,047,900        0.8654             8,144,095               8              154         .024931157
      7           F1               7,172,496        0.8920             8,040,915               6               50         .008068637
      8           F1               7,314,736        0.9032             8,098,689               5               23         .001575462
      9           F1               6,637,952        1.0555             6,288,917               3                5         .010471191
     10           L1               3,532,132        0.9477             3,727,057               8              125         .052819483
     11           L1               3,602,631        1.1370             3,168,541               6               31         .072234706
     12           L1               3,827,039        0.9953             3,845,111               6               13         .001545391
     13           L1               3,102,670        1.0063             3,083,246               3                4         .015973816
  RANDOM TOTALS:                 197,631,131                         214,650,139             111            6,735
  CATG J  EXCEPTION VALUES:       15,989,135                          16,992,622
  CATG D1 EXCEPTION VALUES:       22,482,030                          23,179,807
 TOTAL TEST VALUES (4):          236,102,296                         254,822,568
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:           12,741,128
 CONFIDENCE INTERVAL VALUES (5):
   LOCAL TEST VALUE:             236,102,296 (OUTSIDE CONFIDENCE INTERVAL)
   STATE LOWER LIMIT:            242,081,440 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   STATE UPPER LIMIT:            267,563,696 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             238,686,296 (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