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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:08:40                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              167/Mills                                                 VRSN:      W
                                                        167-901/Goldthwaite ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               10,778,540        0.8570            12,577,060              23              331         .036572644
      2           A               10,789,223        0.9355            11,533,108              15              187         .029984821
      3           A               10,814,890        0.9096            11,889,721              20              124         .014022809
      4           A               10,713,833        0.9489            11,290,792              19               71         .018256367
      5           D3              40,354,250        0.8940            45,138,982              28            3,178         .372006275
      6           F1               2,945,158        0.7203             4,088,794              15               74         .100904447
      7           F1               2,948,158        0.7402             3,982,921              13               34         .062154370
      8           F1               3,167,480        0.7176             4,413,991               9               12         .034612085
  RANDOM TOTALS:                  92,511,532                         104,915,369             142            4,011
  CATG J  EXCEPTION VALUES:        5,049,550                           5,097,245
  CATG D1 EXCEPTION VALUES:       14,056,170                          14,888,690
  CATG F1 EXCEPTION VALUES:        2,959,410                           3,330,579
 TOTAL TEST VALUES (4):          114,576,662                         128,231,883
 MARGIN OF ERROR PERCENT:          8.0356763
 MARGIN OF ERROR VALUE:           10,304,299
 CONFIDENCE INTERVAL VALUES (5):
   LOCAL TEST VALUE:             114,576,662 (OUTSIDE CONFIDENCE INTERVAL)
   STATE LOWER LIMIT:            117,927,584 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   STATE UPPER LIMIT:            138,536,182 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             111,409,370 (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