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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:22:21                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              144/Lee                                                   VRSN:      W
                                                        144-901/Giddings ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               29,929,179        0.8511            35,165,291               8              681         .097239612
      2           A               29,998,639        0.9814            30,567,189               7              351         .009206646
      3           A               29,771,021        0.9128            32,615,054               7              247         .015201630
      4           A               29,778,784        1.0430            28,551,087               8              153         .006524585
      5           D3             128,991,657        0.9924           129,979,501              23            6,493         .006340996
      6           F1              15,099,037        0.8901            16,963,304              11              206         .066650105
      7           F1              15,026,222        0.8965            16,760,984               9               76         .028290162
      8           F1              15,112,786        0.8642            17,487,602               6               35         .006362630
      9           F1              14,775,411        0.8798            16,794,057               6               13         .003912439
     10           G1              31,272,555        1.0153            30,801,295               7              154         .000665940
     11           G1              30,595,029        1.0155            30,128,044               6               47         .002686669
     12           G1              32,039,151        0.9978            32,109,793               6               27         .000582509
     13           G1              29,627,585        0.9974            29,704,818               5               13         .000178866
     14           L1               8,858,053        1.0195             8,688,625               7              214         .004414521
     15           L1               8,965,205        1.0915             8,213,656               6               57         .022246480
     16           L1               8,862,058        1.0273             8,626,553               6               22         .025072173
     17           L1               8,441,562        1.0609             7,956,982               5                7         .033108228
  RANDOM TOTALS:                 467,143,934                         481,113,835             133            8,796
  CATG J  EXCEPTION VALUES:       10,773,122                          10,801,068
  CATG D1 EXCEPTION VALUES:       10,685,821                           8,950,278
 TOTAL TEST VALUES (4):          488,602,877                         500,865,181
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:           25,043,259
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            475,821,922 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             488,602,877 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            525,908,440 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             531,813,574 (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