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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:17:39                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              115/Hudspeth                                              VRSN:      W
                                                        115-903/Dell City ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A                  884,140        0.9841               898,425              20               68         .002324256
      2           A                  894,025        0.9741               917,796               8               37         .000832787
      3           A                  876,560        0.9768               897,379               9               26         .000103608
      4           A                  859,897        1.0417               825,475               5               14         .014330941
      5           C                1,140,646        0.7165             1,591,969               7            2,145         .072114751
      6           C                1,201,659        0.9967             1,205,638               8              640         .126351406
      7           C                1,080,307        0.9444             1,143,908               9              373         .042261439
      8           C                1,123,528        0.8855             1,268,806               6              176         .051621650
      9           D3              13,900,653        0.9863            14,093,737              29            8,821         .013388630
     10           F1                 385,342        0.9835               391,807               6               22         .000590306
     11           F1                 373,452        1.0103               369,645               6                9         .001384987
     12           F1                 442,395        0.9664               457,776               3                5         .000390607
  RANDOM TOTALS:                  23,162,604                          24,062,361             116           12,336
  CATG J  EXCEPTION VALUES:        4,978,390                           5,122,469
  CATG D1 EXCEPTION VALUES:        9,731,570                          11,938,827
  CATG F1 EXCEPTION VALUES:        1,055,656                           1,065,359
 TOTAL TEST VALUES (4):           38,928,220                          42,189,016
 MARGIN OF ERROR PERCENT:          5.0000005
 MARGIN OF ERROR VALUE:            2,109,451
 CONFIDENCE INTERVAL VALUES (5):
   LOCAL TEST VALUE:              38,928,220 (OUTSIDE CONFIDENCE INTERVAL)
   STATE LOWER LIMIT:             40,079,565 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   STATE UPPER LIMIT:             44,298,467 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):              45,493,296 (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