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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:38:03                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              220/Tarrant                                               VRSN:      W
                                                        220-915/Azle ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A              290,513,749        1.0138           286,559,232              47            3,766         .010705253
      2           A              289,865,493        1.0160           285,300,682              47            2,286         .005155638
      3           A              290,318,555        1.0111           287,131,396              54            1,456         .006959548
      4           A              289,773,974        1.0190           284,370,926              49              810         .010515958
      5           C               20,098,956        0.8801            22,837,128               7            1,694         .074863301
      6           C               20,477,753        0.7987            25,638,854               7              683         .065513600
      7           C               19,763,810        0.9749            20,272,654               7              369         .022058762
      8           C               20,036,896        0.9375            21,372,689               9              164         .038921889
      9           F1              25,500,948        0.8491            30,032,915               7              223         .120053038
     10           F1              25,832,192        0.9838            26,257,565               9              104         .057536068
     11           F1              25,171,563        0.9190            27,390,166               6               49         .023463747
     12           F1              25,484,763        0.9203            27,691,799               5               14         .007061254
  RANDOM TOTALS:               1,342,838,652                       1,344,856,006             254           11,618
  CATG D1 EXCEPTION VALUES:        1,875,628                           1,697,940
 TOTAL TEST VALUES (4):        1,344,714,280                       1,346,553,946
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:           67,327,697
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:          1,279,226,249 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:           1,344,714,280 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:          1,413,881,643 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):           1,395,355,166 (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