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DATE: 06/22/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:17:21                                       2004 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
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A               30,480,368        0.8726            34,930,516               34              997
           2           A               30,481,524        0.8769            34,760,547               40              538
           3           A               30,444,830        0.8937            34,066,051               32              357
           4           A               30,440,918        0.8694            35,013,708               37              201
           5           D3              25,667,097        0.8590            29,880,206               28            2,883
           6           F1               8,289,781        0.7984            10,382,992               14              256
           7           F1               8,285,492        0.8162            10,151,301                7               96
           8           F1               8,346,107        0.9755             8,555,722                5               38
           9           F1               8,100,914        0.9137             8,866,055                6               12
          10           G1             230,299,710        1.0507           219,186,933               20            1,087
          11           L1              13,464,806        0.9120            14,764,042                7              185
          12           L1              13,832,332        0.9738            14,204,490                7               52
          13           L1              14,098,695        1.0191            13,834,457                6               20
          14           L1              13,269,964        0.9904            13,398,590                4                8
  RANDOM TOTALS:                      465,502,538                         481,995,610              247            6,730
  CATG J  EXCEPTION VALUES:            15,224,274                          15,533,283
  CATG D1 EXCEPTION VALUES:            41,942,197                          31,002,411
 TOTAL TEST VALUES (4):               522,669,009                         528,531,304
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                26,426,565
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                 502,104,739 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                  522,669,009 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                 554,957,869 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  569,363,692 (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