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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:14:26                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              187/Polk                                                  VRSN:      W
                                                        187-903/Goodrich ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A                6,707,943        0.8283             8,098,446              17              320         .136962484
      2           A                6,674,170        0.8476             7,874,198              15              176         .050280961
      3           A                6,709,782        0.8842             7,588,534              20              113         .035622462
      4           A                6,662,586        0.9622             6,924,326              15               60         .050570017
      5           C                2,065,858        1.4426             1,432,038              10              675         .063301728
      6           C                2,063,456        0.9558             2,158,878              10              386         .058205720
      7           C                2,085,887        0.9095             2,293,444              11              238         .139159902
      8           C                2,021,957        0.8687             2,327,566              10              116         .541056872
      9           D3               6,001,870        1.0858             5,527,602              20              426         .007560540
  RANDOM TOTALS:                  40,993,509                          44,225,032             128            2,510
  CATG J  EXCEPTION VALUES:        2,684,653                           2,907,723
  CATG D1 EXCEPTION VALUES:        4,603,801                           4,269,396
 TOTAL TEST VALUES (4):           48,281,963                          51,402,151
 MARGIN OF ERROR PERCENT:          5.0000009
 MARGIN OF ERROR VALUE:            2,570,108
 CONFIDENCE INTERVAL VALUES (5):
   LOCAL TEST VALUE:              48,281,963 (OUTSIDE CONFIDENCE INTERVAL)
   STATE LOWER LIMIT:             48,832,043 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   STATE UPPER LIMIT:             53,972,259 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):              71,878,560 (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