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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:05:56                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              065/Donley                                                VRSN:      W
                                                        065-901/Clarendon ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               10,622,571        0.9424            11,271,828              15              555         .017074548
      2           A               10,615,862        0.9178            11,566,640              15              259         .034087389
      3           A               10,559,921        0.9713            10,871,946              15              164         .043996238
      4           A               10,593,088        0.9649            10,978,431              16               95         .012565800
      5           D3              16,833,980        0.9548            17,630,897              20            2,828         .054668289
      6           F1               2,419,210        0.9254             2,614,232               6               76         .013734971
      7           F1               2,392,787        0.9738             2,457,165               5               24         .001556306
      8           F1               2,349,542        0.8963             2,621,379               4               11         .004623442
  RANDOM TOTALS:                  66,386,961                          70,012,518              96            4,012
  CATG J  EXCEPTION VALUES:       10,070,782                          10,210,981
  CATG D1 EXCEPTION VALUES:       28,492,184                          28,177,420
  CATG F1 EXCEPTION VALUES:        3,254,257                           2,107,497
 TOTAL TEST VALUES (4):          108,204,184                         110,508,416
 MARGIN OF ERROR PERCENT:          5.0000002
 MARGIN OF ERROR VALUE:            5,525,421
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            104,982,995 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             108,204,184 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            116,033,837 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             110,691,699 (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