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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:29:45                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              177/Nolan                                                 VRSN:      W
                                                        177-901/Roscoe ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A                3,928,257        0.8476             4,634,565              14              232         .038402398
      2           A                3,869,266        0.9431             4,102,710              15              105         .019237791
      3           A                3,835,182        0.9760             3,929,490              13               72         .026547542
      4           A                3,875,727        0.9927             3,904,228              13               49         .001647969
      5           D3               9,859,618        0.9648            10,219,339              29              905         .005244355
      6           F1                 847,550        0.9646               878,654               7               38         .002309409
      7           F1                 872,869        0.9615               907,820               3               12         .003772720
      8           F1               1,054,041        0.9433             1,117,397               3                4         .001862640
      9           L1                 674,869        0.9743               692,671               5               17         .002442395
     10           L1                 660,607        1.0415               634,284               4                7         .000179531
  RANDOM TOTALS:                  29,477,986                          31,021,158             106            1,441
  CATG J  EXCEPTION VALUES:       10,011,624                          10,711,961
  CATG D1 EXCEPTION VALUES:        6,735,108                           6,403,625
  CATG F1 EXCEPTION VALUES:          869,084                             909,212
  CATG L1 EXCEPTION VALUES:          705,922                             704,083
 TOTAL TEST VALUES (4):           47,799,724                          49,750,039
 MARGIN OF ERROR PERCENT:          5.0000001
 MARGIN OF ERROR VALUE:            2,487,502
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:             47,262,537 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:              47,799,724 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:             52,237,541 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):              58,436,246 (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