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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:29:54                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              177/Nolan                                                 VRSN:      W
                                                        177-902/Sweetwater ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               35,470,317        1.1136            31,851,937               9            1,790         .091187566
      2           A               35,505,231        1.0121            35,080,754               9              863         .019978913
      3           A               35,436,311        1.0548            33,595,289               9              511         .008172781
      4           A               35,434,349        1.1043            32,087,611               8              270         .003466410
      5           D3              32,737,698        1.0031            32,636,525              17            1,878         .004740210
      6           F1              12,899,847        0.9579            13,466,799               8              263         .003800544
      7           F1              13,061,818        1.0385            12,577,581               7               67         .029649830
      8           F1              12,916,396        0.9869            13,087,847               5               18         .002252913
      9           F1              12,299,579        1.0702            11,492,785               5                8         .042299477
     10           L1              10,057,044        1.0183             9,876,308               7              222         .002047698
     11           L1              10,064,125        0.9942            10,122,837               8               44         .003854330
     12           L1              10,089,210        0.9803            10,291,962              10               14         .002895566
  RANDOM TOTALS:                 255,971,925                         246,168,235             102            5,948
  CATG J  EXCEPTION VALUES:       33,758,108                          35,932,532
  CATG D1 EXCEPTION VALUES:        7,910,320                           8,700,746
  CATG L1 EXCEPTION VALUES:        9,788,019                          10,302,270
 TOTAL TEST VALUES (4):          307,428,372                         301,103,783
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:           15,055,189
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            286,048,594 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             307,428,372 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            316,158,972 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             416,023,367 (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