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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:23:14                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              147/Limestone                                             VRSN:      W
                                                        147-903/Mexia ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               31,654,261        0.9651            32,798,944              11            1,270         .014669014
      2           A               31,759,575        0.9770            32,507,242              19              693         .034233206
      3           A               31,567,105        0.9548            33,061,484              10              451         .012799500
      4           A               31,595,172        0.9579            32,983,790               9              246         .005154860
      5           D3              48,261,518        0.9411            51,282,030              58            3,485         .037018577
      6           F1              12,148,138        0.9368            12,967,696              11              163         .043115239
      7           F1              12,238,074        0.8869            13,798,708               6               53         .009039701
      8           F1              15,256,960        0.9928            15,367,607               5               11         .007052348
      9           G1               6,875,680        1.0048             6,842,834               5               24         .001316963
     10           G1               6,466,622        1.0183             6,350,410               4               12         .001464125
     11           G1               7,558,058        1.0360             7,295,423               4                8         .001037718
     12           L1               8,064,951        1.0598             7,609,880               7              159         .009205926
     13           L1              11,105,891        1.0005            11,100,341               5               18         .000596770
  RANDOM TOTALS:                 254,552,005                         263,966,389             154            6,593
  CATG J  EXCEPTION VALUES:       19,514,486                          20,950,358
  CATG D1 EXCEPTION VALUES:        4,369,870                           4,159,032
  CATG F1 EXCEPTION VALUES:        8,362,830                           8,293,056
  CATG G1 EXCEPTION VALUES:        5,775,110                           5,992,198
  CATG L1 EXCEPTION VALUES:       12,338,366                          12,517,578
 TOTAL TEST VALUES (4):          304,912,667                         315,878,611
 MARGIN OF ERROR PERCENT:          5.0000001
 MARGIN OF ERROR VALUE:           15,793,931
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            300,084,680 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             304,912,667 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            331,672,542 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             296,318,490 (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