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DATE: 06/22/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:19:35                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              200/Runnels                                               VRSN:      W
                                                        200-901/Ballinger ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A               15,447,724        0.9948            15,528,472               24              792
           2           A               15,459,245        0.9259            16,696,452               21              440
           3           A               15,477,920        0.9321            16,605,429               22              261
           4           A               15,404,493        0.9545            16,138,809               21              143
           5           D3              15,899,870        0.9537            16,671,773               24            2,930
           6           F1               3,108,581        0.9930             3,130,494               14              144
           7           F1               3,090,631        0.9792             3,156,282               14               56
           8           F1               3,104,340        0.9094             3,413,613               11               19
           9           F1               3,025,809        0.9958             3,038,571                5                6
          10           L1               2,715,117        0.9521             2,851,714               11              126
          11           L1               2,803,508        0.9765             2,870,976               12               30
  RANDOM TOTALS:                       95,537,238                         100,102,585              179            4,947
  CATG J  EXCEPTION VALUES:            12,051,310                          11,542,546
  CATG D1 EXCEPTION VALUES:            17,192,490                          17,370,327
  CATG L1 EXCEPTION VALUES:             4,507,190                           4,656,940
 TOTAL TEST VALUES (4):               129,288,228                         133,672,398
 MARGIN OF ERROR PERCENT:               5.0000001
 MARGIN OF ERROR VALUE:                 6,683,620
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                 126,988,778 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                  129,288,228 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                 140,356,018 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  151,909,619 (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