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DATE: 02/03/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 08:13:54                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              221/Taylor                                                VRSN:      W
                                                        221-912/Wylie ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A              127,638,828        0.9569           133,387,844               7            1,469         .002018786
      2           A              127,604,948        0.9879           129,167,879               8              919         .000913641
      3           A              127,568,892        0.9951           128,197,058              13              669         .002980406
      4           A              127,524,432        1.0028           127,168,361               7              377         .002524875
      5           D3             114,429,657        0.9714           117,798,700              12            2,837         .002953337
      6           F1              13,105,555        0.9777            13,404,475               8               59         .005771990
      7           F1              14,384,503        0.9764            14,732,183               5               19         .003242415
      8           F1              13,800,194        1.0067            13,708,348               4                5         .003590648
      9           L1               7,357,754        1.0030             7,335,747               7              106         .006457730
     10           L1               7,465,487        0.9557             7,811,538               5               24         .000975413
     11           L1               8,412,835        0.9912             8,487,525               4                9         .002877307
  RANDOM TOTALS:                 689,293,085                         701,199,658              80            6,493
  CATG D1 EXCEPTION VALUES:        5,863,484                           5,937,498
  CATG F1 EXCEPTION VALUES:       11,087,134                          11,481,580
  CATG L1 EXCEPTION VALUES:        5,085,080                           4,752,100
 TOTAL TEST VALUES (4):          711,328,783                         723,370,836
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:           36,168,542
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            687,202,294 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             711,328,783 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            759,539,378 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             765,699,370 (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