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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:43:53                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              250/Wood                                                  VRSN:      W
                                                        250-906/Alba-Golden ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               27,168,830        0.9433            28,801,898              15              548         .068923327
      2           A               27,129,438        0.9696            27,980,031              18              309         .014991629
      3           A               27,135,210        0.9460            28,684,154              17              203         .022507626
      4           A               26,966,039        1.0169            26,517,887              17              110         .036690104
      5           D3              56,105,947        1.0703            52,420,767              20            2,516         .047108885
      6           F1               2,728,187        0.8581             3,179,335               7               55         .039294373
      7           F1               2,711,442        0.8716             3,110,879               5               21         .023357030
      8           F1               2,963,414        0.7564             3,917,787               5               12         .247749294
  RANDOM TOTALS:                 172,908,507                         174,612,738             104            3,774
  CATG D1 EXCEPTION VALUES:        5,725,300                           3,718,401
  CATG F1 EXCEPTION VALUES:        3,586,880                           3,615,042
 TOTAL TEST VALUES (4):          182,220,687                         181,946,181
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:            9,097,309
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            172,848,872 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             182,220,687 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            191,043,490 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             165,812,583 (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