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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:04:35                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              146/Liberty                                               VRSN:      W
                                                        146-906/Liberty ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               51,745,015        0.9974            51,879,903              12            1,338         .039384185
      2           A               51,850,260        1.0126            51,205,076              28              744         .008297074
      3           A               51,679,831        0.9810            52,680,766              17              529         .011849510
      4           A               51,686,980        1.0099            51,180,295              15              348         .002822463
      5           D3              19,729,399        1.0190            19,361,530              11            3,670         .029208711
      6           F1              18,084,247        0.9261            19,527,316               7              221         .026060918
      7           F1              17,952,565        1.0609            16,922,014               9               83         .057061722
      8           F1              18,214,579        0.8877            20,518,845               6               31         .119088324
      9           F1              17,557,314        0.9563            18,359,630               4                7         .053510744
     10           G1              34,051,543        1.0695            31,838,750               5               20         .005100827
     11           G1              38,649,949        0.9846            39,254,468               3                6         .002963660
     12           L1              10,661,699        0.9981            10,681,995               7              237         .060778483
     13           L1              10,538,371        0.9832            10,718,441               6               49         .048122410
     14           L1              10,957,457        0.9888            11,081,571               5               20         .071402493
     15           L1              10,167,461        1.0281             9,889,564               3                4         .000871516
  RANDOM TOTALS:                 413,526,670                         415,100,164             138            7,307
  CATG J  EXCEPTION VALUES:       13,940,484                          14,171,912
  CATG D1 EXCEPTION VALUES:        9,961,313                          11,841,266
  CATG G1 EXCEPTION VALUES:       53,547,586                          52,195,428
 TOTAL TEST VALUES (4):          490,976,053                         493,308,770
 MARGIN OF ERROR PERCENT:          5.0000001
 MARGIN OF ERROR VALUE:           24,665,439
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            468,643,331 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             490,976,053 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            517,974,209 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             622,157,186 (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