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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:16:16                                       2005 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   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               15,639,751        0.9966            15,693,108              15              787         .024797138
      2           A               15,606,002        0.9240            16,889,613              17              437         .023586072
      3           A               15,618,733        0.9590            16,286,479              20              261         .036209552
      4           A               15,598,908        0.9287            16,796,498               8              146         .009358574
      5           D3              16,561,210        1.0562            15,679,994              23            2,963         .040374373
      6           F1               4,350,246        0.8631             5,040,257               7              138         .139402631
      7           F1               4,339,093        0.9748             4,451,265               5               57         .010256614
      8           F1               4,557,482        0.9361             4,868,585               5               22         .019226705
      9           F1               4,103,765        0.9436             4,349,052               3                6         .032994024
     10           L1               1,930,412        1.0175             1,897,211               7              109         .015700089
     11           L1               1,975,950        1.0156             1,945,599               6               43         .005122674
     12           L1               1,959,843        1.1078             1,769,131               5               17         .013836260
     13           L1               1,851,648        1.0117             1,830,234               4                7         .001792007
  RANDOM TOTALS:                 104,093,043                         107,497,026             125            4,993
  CATG J  EXCEPTION VALUES:       11,227,104                          11,093,593
  CATG D1 EXCEPTION VALUES:       17,219,850                          16,697,453
 TOTAL TEST VALUES (4):          132,539,997                         135,288,072
 MARGIN OF ERROR PERCENT:          5.0000003
 MARGIN OF ERROR VALUE:            6,764,404
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            128,523,668 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             132,539,997 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            142,052,476 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             163,144,326 (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