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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:31:04                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              179/Ochiltree                                             VRSN:      W
                                                        179-901/Perryton ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               31,140,303        0.9025            34,504,491              30            1,021         .045567424
      2           A               31,202,824        0.9101            34,285,050              25              541         .017112725
      3           A               31,044,516        0.8994            34,516,918              16              351         .012913526
      4           A               31,046,424        0.9062            34,260,013               7              183         .013878860
      5           D3              25,871,491        0.9435            27,420,764              16            2,876         .015488530
      6           F1               8,529,925        1.0224             8,343,041              11              267         .032245774
      7           F1               8,567,811        0.9626             8,900,697               7              100         .007108076
      8           F1               8,611,642        0.9875             8,720,650               6               40         .005426635
      9           F1               8,251,489        0.8883             9,289,079               5               13         .010494366
     10           G1              60,027,202        1.0393            57,757,339              13              364         .006917595
     11           G1              59,647,102        1.0971            54,367,972              12              160         .010599137
     12           G1              60,051,872        1.1060            54,296,448              11               80         .025731547
     13           G1              59,446,156        1.0808            55,001,995               7               14         .012163515
     14           L1              16,732,272        0.8924            18,749,745               7              172         .019648431
     15           L1              16,747,004        0.8898            18,821,088               6               42         .017752923
     16           L1              17,433,244        0.8546            20,399,303               5               19         .076124753
     17           L1              15,376,808        1.1320            13,583,753               3                4         .017361818
  RANDOM TOTALS:                 489,728,085                         493,218,346             187            6,247
  CATG J  EXCEPTION VALUES:       14,412,398                          14,843,880
  CATG D1 EXCEPTION VALUES:       41,946,970                          28,610,795
 TOTAL TEST VALUES (4):          546,087,453                         536,673,021
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:           26,833,651
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            509,839,370 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             546,087,453 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            563,506,672 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             606,677,604 (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