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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:05:20                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              061/Denton                                                VRSN:      W
                                                        061-910/Argyle ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A              108,534,282        0.9778           110,998,448              38              531         .011941068
      2           A              108,647,028        0.9958           109,105,270              22              340         .000923313
      3           A              108,505,401        1.0036           108,116,183              17              227         .000980673
      4           A              108,154,408        1.0082           107,274,755              13              125         .000476425
      5           D3             163,695,238        1.0064           162,654,251              27            1,595         .001317787
  RANDOM TOTALS:                 597,536,357                         598,148,907             117            2,818
  CATG D1 EXCEPTION VALUES:        1,588,647                           1,411,144
 TOTAL TEST VALUES (4):          599,125,004                         599,560,051
 MARGIN OF ERROR PERCENT:          5.0000001
 MARGIN OF ERROR VALUE:           29,978,003
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            569,582,048 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             599,125,004 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            629,538,054 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             668,085,709 (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